What is the weather in Ottawa right now?

Current weather in Ottawa is overcast clouds.

Where can I find the hourly weather forecast for Ottawa?

This page shows hourly weather forecast for Ottawa, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Ottawa updated regularly?

Weather data for Ottawa is updated regularly with the latest available observations and forecasts.

Now · 5:53 AM

Ottawa Weather & Hourly Forecast

United States · Illinois · 61350

57°F

Overcast night

Feels like: 52°F

💧 Humidity 83% 🌡 Pressure 30.24 inHg 💨 Wind 9 mph 👁 Visibility 17.6 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:41 AM 🌇 Sunset 6:54 PM

Hourly Forecast for Ottawa

Today

6:00 AM

Overcast night

57° 💧 None 💨 9 mph H 83%30.24 inHg

9:00 AM

Overcast

58° 💧 0.026 in 💨 9 mph H 79%30.27 inHg

12:00 PM

Light rain

61° 💧 0.028 in 💨 9 mph H 72%30.30 inHg

3:00 PM

Mostly cloudy

62° 💧 0.000 in 💨 12 mph H 65%30.27 inHg

6:00 PM

Mostly sunny

60° 💧 0.000 in 💨 10 mph H 67%30.24 inHg

9:00 PM

Mostly clear night

56° 💧 0.005 in 💨 8 mph H 81%30.27 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 0.000 in 💨 8 mph H 81%30.30 inHg

3:00 AM

Overcast night

57° 💧 None 💨 7 mph H 82%30.30 inHg

6:00 AM

Overcast night

58° 💧 0.001 in 💨 9 mph H 84%30.30 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 10 mph H 80%30.33 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 11 mph H 69%30.36 inHg

3:00 PM

Partly cloudy

68° 💧 None 💨 12 mph H 60%30.30 inHg

6:00 PM

Overcast

64° 💧 None 💨 11 mph H 71%30.30 inHg

9:00 PM

Overcast night

62° 💧 None 💨 8 mph H 77%30.30 inHg

Thursday

12:00 AM

Mostly clear night

59° 💧 None 💨 6 mph H 72%30.30 inHg

3:00 AM

Mostly cloudy night

55° 💧 None 💨 5 mph H 82%30.30 inHg

Today

6:00 AM

Overcast night

57° 💧 None 💨 9 mph H 83%30.24 inHg

7:00 AM

Overcast

56° 💧 None 💨 9 mph H 82%30.24 inHg

8:00 AM

Overcast

57° 💧 None 💨 10 mph H 81%30.27 inHg

9:00 AM

Overcast

58° 💧 0.001 in 💨 9 mph H 79%30.27 inHg

10:00 AM

Light rain

59° 💧 0.007 in 💨 8 mph H 77%30.27 inHg

11:00 AM

Light rain

60° 💧 0.018 in 💨 9 mph H 75%30.27 inHg

12:00 PM

Light rain

61° 💧 0.018 in 💨 9 mph H 72%30.30 inHg

1:00 PM

Overcast

63° 💧 0.004 in 💨 10 mph H 66%30.27 inHg

2:00 PM

Light rain

63° 💧 0.006 in 💨 11 mph H 67%30.27 inHg

3:00 PM

Mostly cloudy

62° 💧 0.000 in 💨 12 mph H 65%30.27 inHg

4:00 PM

Mostly sunny

61° 💧 None 💨 13 mph H 65%30.27 inHg

5:00 PM

Mostly sunny

60° 💧 None 💨 12 mph H 65%30.24 inHg

6:00 PM

Mostly sunny

60° 💧 None 💨 10 mph H 67%30.24 inHg

7:00 PM

Mostly clear night

57° 💧 0.000 in 💨 7 mph H 73%30.27 inHg

8:00 PM

Clear night

56° 💧 None 💨 7 mph H 78%30.27 inHg

9:00 PM

Mostly clear night

56° 💧 0.000 in 💨 8 mph H 81%30.27 inHg

10:00 PM

Partly cloudy night

56° 💧 0.003 in 💨 8 mph H 82%30.30 inHg

11:00 PM

Overcast night

57° 💧 0.002 in 💨 8 mph H 81%30.30 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 None 💨 8 mph H 81%30.30 inHg

1:00 AM

Mostly cloudy night

57° 💧 0.000 in 💨 7 mph H 81%30.30 inHg

2:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 82%30.30 inHg

3:00 AM

Overcast night

57° 💧 None 💨 7 mph H 82%30.30 inHg

4:00 AM

Overcast night

58° 💧 None 💨 8 mph H 81%30.30 inHg

5:00 AM

Overcast night

58° 💧 None 💨 9 mph H 82%30.30 inHg

6:00 AM

Overcast night

58° 💧 None 💨 9 mph H 84%30.30 inHg

7:00 AM

Overcast

58° 💧 0.001 in 💨 9 mph H 85%30.33 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 8 mph H 84%30.33 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 10 mph H 80%30.33 inHg

10:00 AM

Mostly cloudy

62° 💧 None 💨 11 mph H 75%30.36 inHg

11:00 AM

Mostly cloudy

63° 💧 None 💨 11 mph H 72%30.36 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 11 mph H 69%30.36 inHg

1:00 PM

Overcast

66° 💧 None 💨 11 mph H 65%30.33 inHg

2:00 PM

Partly cloudy

67° 💧 None 💨 11 mph H 63%30.30 inHg

3:00 PM

Partly cloudy

68° 💧 None 💨 12 mph H 60%30.30 inHg

4:00 PM

Partly cloudy

68° 💧 None 💨 13 mph H 61%30.27 inHg

5:00 PM

Overcast

65° 💧 None 💨 13 mph H 66%30.30 inHg

6:00 PM

Overcast

64° 💧 None 💨 11 mph H 71%30.30 inHg

7:00 PM

Overcast night

63° 💧 None 💨 8 mph H 74%30.30 inHg

8:00 PM

Overcast night

62° 💧 None 💨 8 mph H 76%30.30 inHg

9:00 PM

Overcast night

62° 💧 None 💨 8 mph H 77%30.30 inHg

10:00 PM

Overcast night

62° 💧 None 💨 9 mph H 78%30.30 inHg

11:00 PM

Partly cloudy night

61° 💧 None 💨 9 mph H 71%30.30 inHg

Thursday

12:00 AM

Mostly clear night

59° 💧 None 💨 6 mph H 72%30.30 inHg

1:00 AM

Clear night

57° 💧 None 💨 5 mph H 78%30.30 inHg

2:00 AM

Partly cloudy night

55° 💧 None 💨 5 mph H 80%30.30 inHg

3:00 AM

Mostly cloudy night

55° 💧 None 💨 5 mph H 82%30.30 inHg

4:00 AM

Clear night

55° 💧 None 💨 7 mph H 81%30.30 inHg

5:00 AM

Mostly clear night

54° 💧 None 💨 4 mph H 84%30.30 inHg

6:00 AM

Mostly clear night

54° 💧 None 💨 5 mph H 85%30.33 inHg

7:00 AM

Sunny

54° 💧 None 💨 6 mph H 85%30.33 inHg

8:00 AM

Sunny

56° 💧 None 💨 6 mph H 83%30.33 inHg

9:00 AM

Mostly sunny

60° 💧 None 💨 6 mph H 76%30.33 inHg

10:00 AM

Partly cloudy

63° 💧 None 💨 6 mph H 71%30.33 inHg

11:00 AM

Partly cloudy

65° 💧 None 💨 6 mph H 69%30.30 inHg

12:00 PM

Overcast

67° 💧 None 💨 5 mph H 66%30.30 inHg

1:00 PM

Overcast

68° 💧 None 💨 5 mph H 65%30.30 inHg

2:00 PM

Overcast

68° 💧 None 💨 5 mph H 66%30.27 inHg

3:00 PM

Overcast

69° 💧 None 💨 6 mph H 65%30.27 inHg

4:00 PM

Overcast

69° 💧 None 💨 6 mph H 64%30.24 inHg

5:00 PM

Overcast

68° 💧 None 💨 7 mph H 66%30.24 inHg

6:00 PM

Overcast

66° 💧 None 💨 6 mph H 73%30.24 inHg

7:00 PM

Overcast night

63° 💧 None 💨 6 mph H 78%30.24 inHg

10:00 PM

Mostly cloudy night

59° 💧 None 💨 5 mph H 91%30.27 inHg

Friday

1:00 AM

Partly cloudy night

57° 💧 None 💨 4 mph H 96%30.27 inHg

4:00 AM

Overcast night

59° 💧 None 💨 4 mph H 94%30.27 inHg

7:00 AM

Partly cloudy

57° 💧 None 💨 5 mph H 95%30.30 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 5 mph H 77%30.30 inHg

1:00 PM

Mostly cloudy

69° 💧 None 💨 6 mph H 62%30.27 inHg

4:00 PM

Overcast

69° 💧 None 💨 5 mph H 61%30.24 inHg

7:00 PM

Overcast night

63° 💧 None 💨 6 mph H 77%30.24 inHg

10:00 PM

Overcast night

58° 💧 None 💨 7 mph H 82%30.24 inHg

Saturday

1:00 AM

Partly cloudy night

56° 💧 None 💨 5 mph H 89%30.24 inHg

4:00 AM

Clear night

53° 💧 None 💨 4 mph H 92%30.21 inHg

7:00 AM

Mostly sunny

51° 💧 None 💨 6 mph H 95%30.24 inHg

10:00 AM

Mostly cloudy

60° 💧 None 💨 6 mph H 77%30.27 inHg

1:00 PM

Overcast

66° 💧 None 💨 4 mph H 61%30.21 inHg

4:00 PM

Overcast

68° 💧 None 💨 4 mph H 56%30.12 inHg

7:00 PM

Overcast night

61° 💧 None 💨 4 mph H 78%30.12 inHg

10:00 PM

Overcast night

59° 💧 None 💨 5 mph H 80%30.12 inHg

Sunday

1:00 AM

Overcast night

56° 💧 None 💨 4 mph H 88%30.12 inHg

4:00 AM

Overcast night

56° 💧 None 💨 5 mph H 87%30.09 inHg

7:00 AM

Overcast

56° 💧 None 💨 4 mph H 87%30.12 inHg

10:00 AM

Overcast

61° 💧 None 💨 3 mph H 77%30.12 inHg

1:00 PM

Mostly cloudy

69° 💧 None 💨 2 mph H 59%30.06 inHg

4:00 PM

Overcast

68° 💧 None 💨 4 mph H 61%30.03 inHg

7:00 PM

Partly cloudy night

62° 💧 None 💨 3 mph H 80%30.00 inHg

Monday

1:00 AM

Clear night

54° 💧 None 💨 3 mph H 94%30.03 inHg

7:00 AM

Partly cloudy

50° 💧 None 💨 2 mph H 99%30.03 inHg

1:00 PM

Sunny

69° 💧 None 💨 3 mph H 58%30.00 inHg

7:00 PM

Clear night

62° 💧 None 💨 3 mph H 80%29.94 inHg

Tuesday

1:00 AM

Clear night

56° 💧 None 💨 4 mph H 92%29.97 inHg

7:00 AM

Sunny

51° 💧 None 💨 4 mph H 97%30.00 inHg

1:00 PM

Sunny

71° 💧 None 💨 3 mph H 54%30.00 inHg

7:00 PM

Clear night

64° 💧 None 💨 6 mph H 74%29.97 inHg

Wednesday

1:00 AM

Mostly cloudy night

56° 💧 None 💨 5 mph H 87%30.00 inHg

7:00 AM

Mostly sunny

55° 💧 None 💨 6 mph H 93%30.03 inHg

1:00 PM

Overcast

75° 💧 None 💨 7 mph H 54%30.06 inHg

7:00 PM

Overcast night

68° 💧 None 💨 8 mph H 73%30.03 inHg

Thursday

1:00 AM

Overcast night

63° 💧 None 💨 7 mph H 85%30.06 inHg

7:00 AM

Overcast

61° 💧 None 💨 7 mph H 90%30.12 inHg

1:00 PM

Overcast

77° 💧 None 💨 8 mph H 63%30.12 inHg

7:00 PM

Partly cloudy night

71° 💧 None 💨 9 mph H 70%30.09 inHg

Friday

1:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 74%30.12 inHg

7:00 AM

Overcast

65° 💧 None 💨 7 mph H 76%30.12 inHg

1:00 PM

Overcast

81° 💧 None 💨 6 mph H 52%30.12 inHg

7:00 PM

Mostly clear night

74° 💧 None 💨 3 mph H 69%30.06 inHg

Saturday

1:00 AM

Mostly clear night

65° 💧 None 💨 5 mph H 78%30.06 inHg

7:00 AM

Mostly sunny

64° 💧 None 💨 5 mph H 83%30.06 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 9 mph H 47%30.03 inHg

7:00 PM

Overcast night

77° 💧 None 💨 9 mph H 56%29.94 inHg

Sunday

1:00 AM

Overcast night

67° 💧 None 💨 10 mph H 91%29.94 inHg

7:00 AM

Overcast

68° 💧 None 💨 9 mph H 92%29.91 inHg

1:00 PM

Light rain

78° 💧 None 💨 9 mph H 71%29.88 inHg

7:00 PM

Mostly clear night

67° 💧 None 💨 9 mph H 72%30.00 inHg

Monday

1:00 AM

Mostly clear night

57° 💧 None 💨 10 mph H 74%30.12 inHg

7:00 AM

Mostly sunny

53° 💧 None 💨 7 mph H 80%30.21 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 9 mph H 54%30.21 inHg

7:00 PM

Partly cloudy night

57° 💧 None 💨 6 mph H 72%30.18 inHg

Tuesday

1:00 AM

Overcast night

53° 💧 None 💨 4 mph H 85%30.15 inHg

7:00 AM

Mostly cloudy

54° 💧 None 💨 5 mph H 84%30.12 inHg

1:00 PM

Mostly cloudy

63° 💧 None 💨 7 mph H 61%30.09 inHg

7:00 PM

Partly cloudy night

56° 💧 None 💨 5 mph H 80%30.09 inHg

In Ottawa and, more broadly, across the state of Illinois: This morning begins with mostly cloudy skies and mild temperatures ranging from 60 to 69 degrees Fahrenheit. Winds will be coming from the northeast at around 11 mph, with gusts reaching up to 21 mph. As the day progresses into the afternoon, the cloud cover is expected to persist, but no precipitation is anticipated. Temperatures are likely to remain steady within the mild range, providing comfortable conditions for outdoor activities. Winds will continue from the northeast, maintaining a moderate breeze throughout the day. Overall, it will be a relatively calm day with partly cloudy skies and no significant weather disruptions.

15-Day Weather Outlook for Ottawa

TomorrowTomorrow

Mostly cloudy 68°/57° 💧 None 💨 13 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 69°/54° 💧 0.108 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 69°/57° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 68°/51° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Overcast 69°/56° 💧 0.010 in 💨 5 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 69°/50° 💧 None 💨 3 mph

Tuesday, Sep 29Tue Sep 29

Sunny 71°/51° 💧 None 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 75°/55° 💧 None 💨 8 mph

Thursday, Oct 1Thu Oct 1

Overcast 77°/61° 💧 None 💨 9 mph

Friday, Oct 2Fri Oct 2

Mostly cloudy 81°/65° 💧 None 💨 7 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 83°/64° 💧 None 💨 9 mph

Sunday, Oct 4Sun Oct 4

Light rain 78°/67° 💧 0.378 in 💨 10 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 66°/53° 💧 None 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Overcast 63°/53° 💧 0.005 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Ottawa

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Ottawa

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 3,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 36,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Ottawa

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,8Low 😊Good

Tomorrow UV 3,9Moderate 🙂Fair

Thursday UV 3,3Moderate 🙂Fair

Friday UV 2,3Low 😐Moderate

Saturday UV 3,0Moderate 🙂Fair

Sunday UV 5,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,4 10:00 AMUV 0,7 11:00 AMUV 1,2 12:00 PMUV 1,9 1:00 PMUV 2,8 2:00 PMUV 2,5 3:00 PMUV 2,0 4:00 PMUV 1,2 5:00 PMUV 0,6 6:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Ottawa

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · OTTAWA, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 8:00 PM–9:00 PM.

85/100Best-hour score

BEST TIME TONIGHT 8:00 PM–9:00 PM Astronomical darkness: 8:25 PM–5:11 AM

☁ Cloud cover 12% Real hourly forecast for the best viewing hour.

☾ Moonlight 86% Waxing Gibbous · Moon about 25° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant -14° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min5%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Haynes US · North Dakota · 23 residents Leal US · North Dakota · 23 residents Jugtown US · Pennsylvania · 23 residents Royer US · Pennsylvania · 23 residents Vail US · Pennsylvania · 23 residents Rockport Colony US · South Dakota · 23 residents Longoria US · Texas · 23 residents Yancey US · Texas · 23 residents Tasley US · Virginia · 23 residents Maryhill US · Washington · 23 residents Dailey US · West Virginia · 23 residents New Richmond US · West Virginia · 23 residents Belanglo AU · New South Wales · 22 residents Blackmans Flat AU · New South Wales · 22 residents Borah Creek AU · New South Wales · 22 residents Chinnock AU · New South Wales · 22 residents

Forecast data for Ottawa were last refreshed today at 5:53 AM. The current forecast period extends through 24/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.