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Current weather in Washington is overcast clouds.

Where can I find the hourly weather forecast for Washington?

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

Is the weather forecast for Washington updated regularly?

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

Now · 1:45 PM

Washington Weather & Hourly Forecast

United States · Illinois · 61571

80°F

Overcast

Feels like: 86°F

💧 Humidity 74% 🌡 Pressure 30.24 inHg 💨 Wind 4 mph 👁 Visibility 17.9 mi ☁ Clouds 100% ☀️ UV index 5.3 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Washington

Today

2:00 PM

Overcast

80° 💧 0.000 in 💨 4 mph H 74%30.24 inHg

5:00 PM

Mostly cloudy

79° 💧 0.002 in 💨 7 mph H 78%30.21 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 8 mph H 88%30.21 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 6 mph H 92%30.24 inHg

Tomorrow

2:00 AM

Mostly clear night

71° 💧 0.000 in 💨 5 mph H 95%30.18 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 93%30.15 inHg

8:00 AM

Overcast

75° 💧 0.000 in 💨 4 mph H 90%30.18 inHg

11:00 AM

Mostly cloudy

83° 💧 None 💨 6 mph H 75%30.18 inHg

2:00 PM

Sunny

87° 💧 0.046 in 💨 7 mph H 67%30.12 inHg

5:00 PM

Light thunderstorms

81° 💧 0.012 in 💨 8 mph H 81%30.15 inHg

8:00 PM

Partly cloudy night

76° 💧 0.000 in 💨 4 mph H 95%30.15 inHg

11:00 PM

Clear night

73° 💧 0.000 in 💨 7 mph H 96%30.18 inHg

Friday

2:00 AM

Overcast night

71° 💧 0.000 in 💨 9 mph H 96%30.18 inHg

5:00 AM

Overcast night

69° 💧 0.000 in 💨 7 mph H 91%30.18 inHg

8:00 AM

Mostly cloudy

70° 💧 0.000 in 💨 7 mph H 88%30.21 inHg

11:00 AM

Overcast

76° 💧 0.004 in 💨 6 mph H 76%30.21 inHg

Today

2:00 PM

Overcast

80° 💧 None 💨 4 mph H 74%30.24 inHg

3:00 PM

Overcast

80° 💧 0.000 in 💨 4 mph H 75%30.21 inHg

4:00 PM

Overcast

79° 💧 None 💨 6 mph H 78%30.21 inHg

5:00 PM

Mostly cloudy

79° 💧 0.002 in 💨 7 mph H 78%30.21 inHg

6:00 PM

Mostly cloudy

78° 💧 0.000 in 💨 7 mph H 80%30.18 inHg

7:00 PM

Mostly cloudy

76° 💧 0.000 in 💨 7 mph H 85%30.18 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 8 mph H 88%30.21 inHg

9:00 PM

Clear night

74° 💧 None 💨 7 mph H 89%30.24 inHg

10:00 PM

Clear night

73° 💧 None 💨 6 mph H 90%30.24 inHg

11:00 PM

Mostly clear night

72° 💧 None 💨 6 mph H 92%30.24 inHg

Tomorrow

12:00 AM

Mostly cloudy night

72° 💧 None 💨 7 mph H 93%30.21 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 94%30.21 inHg

2:00 AM

Mostly clear night

71° 💧 0.000 in 💨 5 mph H 95%30.18 inHg

3:00 AM

Clear night

72° 💧 None 💨 7 mph H 94%30.15 inHg

4:00 AM

Partly cloudy night

72° 💧 None 💨 6 mph H 92%30.15 inHg

5:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 93%30.15 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 94%30.18 inHg

7:00 AM

Overcast

73° 💧 None 💨 7 mph H 93%30.18 inHg

8:00 AM

Overcast

75° 💧 0.000 in 💨 4 mph H 90%30.18 inHg

9:00 AM

Mostly cloudy

78° 💧 None 💨 5 mph H 86%30.18 inHg

10:00 AM

Overcast

80° 💧 None 💨 6 mph H 81%30.18 inHg

11:00 AM

Mostly cloudy

83° 💧 None 💨 6 mph H 75%30.18 inHg

12:00 PM

Mostly sunny

85° 💧 None 💨 5 mph H 72%30.15 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 6 mph H 68%30.15 inHg

2:00 PM

Sunny

87° 💧 0.000 in 💨 7 mph H 67%30.12 inHg

3:00 PM

Light thunderstorms

86° 💧 0.009 in 💨 8 mph H 71%30.12 inHg

4:00 PM

Light thunderstorms

83° 💧 0.037 in 💨 6 mph H 76%30.12 inHg

5:00 PM

Light thunderstorms

81° 💧 0.007 in 💨 8 mph H 81%30.15 inHg

6:00 PM

Light rain

78° 💧 0.004 in 💨 5 mph H 89%30.12 inHg

7:00 PM

Mostly cloudy

77° 💧 0.000 in 💨 4 mph H 92%30.12 inHg

8:00 PM

Partly cloudy night

76° 💧 0.000 in 💨 4 mph H 95%30.15 inHg

9:00 PM

Mostly clear night

75° 💧 None 💨 5 mph H 96%30.15 inHg

10:00 PM

Mostly clear night

74° 💧 None 💨 6 mph H 96%30.18 inHg

11:00 PM

Clear night

73° 💧 0.000 in 💨 7 mph H 96%30.18 inHg

Friday

12:00 AM

Clear night

72° 💧 None 💨 7 mph H 96%30.18 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 8 mph H 97%30.18 inHg

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 96%30.18 inHg

3:00 AM

Overcast night

70° 💧 0.000 in 💨 7 mph H 94%30.18 inHg

4:00 AM

Overcast night

70° 💧 None 💨 8 mph H 92%30.18 inHg

5:00 AM

Overcast night

69° 💧 0.000 in 💨 7 mph H 91%30.18 inHg

6:00 AM

Overcast night

69° 💧 None 💨 7 mph H 90%30.18 inHg

7:00 AM

Overcast

69° 💧 None 💨 6 mph H 90%30.21 inHg

8:00 AM

Mostly cloudy

70° 💧 None 💨 7 mph H 88%30.21 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 8 mph H 85%30.21 inHg

10:00 AM

Mostly cloudy

74° 💧 0.000 in 💨 7 mph H 80%30.21 inHg

11:00 AM

Overcast

76° 💧 0.001 in 💨 6 mph H 76%30.21 inHg

12:00 PM

Overcast

77° 💧 0.001 in 💨 6 mph H 76%30.18 inHg

1:00 PM

Overcast

78° 💧 0.002 in 💨 4 mph H 73%30.15 inHg

2:00 PM

Overcast

79° 💧 0.001 in 💨 5 mph H 71%30.15 inHg

3:00 PM

Overcast

79° 💧 None 💨 5 mph H 70%30.12 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 68%30.09 inHg

5:00 PM

Partly cloudy

80° 💧 None 💨 7 mph H 68%30.06 inHg

6:00 PM

Overcast

78° 💧 None 💨 7 mph H 72%30.06 inHg

7:00 PM

Overcast

76° 💧 None 💨 9 mph H 74%30.06 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 11 mph H 77%30.06 inHg

9:00 PM

Mostly cloudy night

72° 💧 None 💨 11 mph H 78%30.06 inHg

10:00 PM

Partly cloudy night

71° 💧 None 💨 11 mph H 79%30.06 inHg

11:00 PM

Clear night

70° 💧 None 💨 10 mph H 80%30.06 inHg

Saturday

12:00 AM

Clear night

70° 💧 None 💨 10 mph H 82%30.06 inHg

1:00 AM

Mostly cloudy night

69° 💧 0.001 in 💨 7 mph H 85%30.06 inHg

2:00 AM

Light rain

68° 💧 0.032 in 💨 11 mph H 92%30.00 inHg

3:00 AM

Light rain

68° 💧 0.017 in 💨 6 mph H 95%30.00 inHg

4:00 AM

Light rain

68° 💧 0.006 in 💨 8 mph H 96%30.00 inHg

5:00 AM

Mostly cloudy night

68° 💧 0.002 in 💨 9 mph H 96%29.97 inHg

6:00 AM

Partly cloudy night

68° 💧 0.000 in 💨 11 mph H 97%29.97 inHg

7:00 AM

Mostly cloudy

69° 💧 None 💨 11 mph H 97%29.94 inHg

10:00 AM

Overcast

81° 💧 None 💨 8 mph H 73%29.91 inHg

1:00 PM

Overcast

85° 💧 None 💨 8 mph H 64%29.85 inHg

4:00 PM

Overcast

87° 💧 None 💨 9 mph H 60%29.80 inHg

7:00 PM

Mostly cloudy

81° 💧 None 💨 4 mph H 76%29.80 inHg

10:00 PM

Partly cloudy night

78° 💧 None 💨 5 mph H 83%29.83 inHg

Sunday

1:00 AM

Light rain

70° 💧 None 💨 5 mph H 98%29.85 inHg

4:00 AM

Light rain

70° 💧 None 💨 5 mph H 99%29.88 inHg

7:00 AM

Light rain

70° 💧 None 💨 6 mph H 99%29.91 inHg

10:00 AM

Overcast

70° 💧 None 💨 9 mph H 94%29.94 inHg

1:00 PM

Overcast

73° 💧 None 💨 12 mph H 79%29.94 inHg

4:00 PM

Overcast

75° 💧 None 💨 11 mph H 74%29.91 inHg

7:00 PM

Overcast night

68° 💧 None 💨 10 mph H 94%29.91 inHg

10:00 PM

Mostly cloudy night

67° 💧 None 💨 11 mph H 92%29.94 inHg

Monday

1:00 AM

Clear night

65° 💧 None 💨 8 mph H 91%29.94 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 9 mph H 91%29.91 inHg

7:00 AM

Overcast

64° 💧 None 💨 6 mph H 90%29.94 inHg

10:00 AM

Moderate rain

66° 💧 None 💨 7 mph H 95%29.94 inHg

1:00 PM

Overcast

70° 💧 None 💨 9 mph H 82%29.94 inHg

4:00 PM

Light rain

67° 💧 None 💨 10 mph H 85%29.94 inHg

7:00 PM

Overcast night

64° 💧 None 💨 11 mph H 89%29.97 inHg

10:00 PM

Overcast night

62° 💧 None 💨 10 mph H 87%30.00 inHg

Tuesday

1:00 AM

Overcast night

61° 💧 None 💨 10 mph H 89%30.00 inHg

7:00 AM

Overcast

64° 💧 None 💨 8 mph H 97%30.00 inHg

1:00 PM

Mostly sunny

63° 💧 None 💨 7 mph H 95%30.06 inHg

7:00 PM

Overcast night

71° 💧 None 💨 5 mph H 76%30.12 inHg

Wednesday

1:00 AM

Overcast night

67° 💧 None 💨 7 mph H 83%30.12 inHg

7:00 AM

Overcast

65° 💧 None 💨 4 mph H 89%30.18 inHg

1:00 PM

Mostly sunny

64° 💧 None 💨 5 mph H 96%30.21 inHg

7:00 PM

Overcast night

74° 💧 None 💨 2 mph H 69%30.21 inHg

Thursday

1:00 AM

Overcast night

70° 💧 None 💨 3 mph H 83%30.18 inHg

7:00 AM

Overcast

66° 💧 None 💨 7 mph H 96%30.15 inHg

1:00 PM

Heavy rain

66° 💧 None 💨 2 mph H 96%30.15 inHg

7:00 PM

Overcast night

81° 💧 None 💨 8 mph H 68%30.09 inHg

Friday

1:00 AM

Mostly cloudy night

78° 💧 None 💨 6 mph H 76%30.03 inHg

7:00 AM

Light rain

70° 💧 None 💨 3 mph H 97%30.06 inHg

1:00 PM

Overcast

69° 💧 None 💨 5 mph H 99%30.09 inHg

7:00 PM

Overcast night

75° 💧 None 💨 7 mph H 76%30.12 inHg

Saturday

1:00 AM

Partly cloudy night

70° 💧 None 💨 5 mph H 82%30.09 inHg

7:00 AM

Sunny

64° 💧 None 💨 4 mph H 92%30.12 inHg

1:00 PM

Overcast

64° 💧 None 💨 4 mph H 93%30.15 inHg

7:00 PM

Overcast night

73° 💧 None 💨 7 mph H 68%30.15 inHg

Sunday

1:00 AM

Clear night

69° 💧 None 💨 3 mph H 81%30.09 inHg

7:00 AM

Partly cloudy

64° 💧 None 💨 3 mph H 91%30.12 inHg

1:00 PM

Sunny

62° 💧 None 💨 3 mph H 97%30.09 inHg

7:00 PM

Partly cloudy night

73° 💧 None 💨 3 mph H 61%30.09 inHg

Monday

1:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 73%30.03 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 89%30.06 inHg

1:00 PM

Overcast

64° 💧 None 💨 4 mph H 90%30.06 inHg

7:00 PM

Mostly cloudy night

73° 💧 None 💨 6 mph H 68%30.03 inHg

Tuesday

1:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 80%29.97 inHg

7:00 AM

Mostly sunny

64° 💧 None 💨 7 mph H 80%29.97 inHg

1:00 PM

Partly cloudy

63° 💧 None 💨 4 mph H 82%29.97 inHg

7:00 PM

Clear night

77° 💧 None 💨 3 mph H 60%29.94 inHg

Wednesday

1:00 AM

Clear night

70° 💧 None 💨 1 mph H 77%29.88 inHg

7:00 AM

Sunny

63° 💧 None 💨 4 mph H 88%29.91 inHg

1:00 PM

Sunny

60° 💧 None 💨 3 mph H 88%29.94 inHg

7:00 PM

Clear night

79° 💧 None 💨 4 mph H 54%29.94 inHg

Thursday

1:00 AM

Clear night

73° 💧 None 💨 4 mph H 76%29.91 inHg

In Washington and, more broadly, across the state of Illinois: The rest of the day will be mostly sunny with just a few clouds scattered across the sky. Temperatures are expected to remain mild to warm, ranging from 75 to 81 degrees Fahrenheit. Winds will be light, coming from the southwest at around 6 mph, with occasional gusts reaching up to 12 mph. No precipitation is anticipated, so outdoor plans should be comfortable and dry. As the afternoon progresses, conditions will stay pleasant with gentle breezes and consistent warmth. Overall, it looks like a fine day to enjoy outdoor activities with clear skies and mild weather.

15-Day Weather Outlook for Washington

TomorrowTomorrow

Light thunderstorms 87°/71° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 80°/69° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 87°/68° 💧 None 💨 11 mph

Sunday, Sep 20Sun Sep 20

Light rain 75°/67° 💧 0.497 in 💨 12 mph

Monday, Sep 21Mon Sep 21

Moderate rain 70°/62° 💧 0.350 in 💨 11 mph

Tuesday, Sep 22Tue Sep 22

Overcast 71°/61° 💧 0.814 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Overcast 74°/64° 💧 0.007 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Heavy rain 81°/66° 💧 0.298 in 💨 8 mph

Friday, Sep 25Fri Sep 25

Light rain 78°/69° 💧 0.453 in 💨 7 mph

Saturday, Sep 26Sat Sep 26

Overcast 73°/64° 💧 0.009 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 73°/62° 💧 0.003 in 💨 3 mph

Monday, Sep 28Mon Sep 28

Overcast 73°/62° 💧 0.009 in 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 77°/63° 💧 0.004 in 💨 7 mph

Wednesday, Sep 30Wed Sep 30

Sunny 79°/60° 💧 None 💨 4 mph

Thursday, Oct 1Thu Oct 1

Sunny 73°/73° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Washington

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Washington

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 8,7µg/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 9,3µg/m³

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

O₃ Ozone Fair 91,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Washington

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 5,3Moderate 🙂Fair

Tomorrow UV 6,0High 🙂Fair

Friday UV 6,6High 😐Moderate

Saturday UV 1,5Low 🙂Fair

Sunday UV 6,0High 🙂Fair

Monday UV 5,0Moderate —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

2:00 PMUV 2,5 3:00 PMUV 1,7 4:00 PMUV 1,7 5:00 PMUV 1,0 6:00 PMUV 0,4 7:00 PMUV 0,0

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Washington

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WASHINGTON, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

89/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:38 PM–5:08 AM

☁ Cloud cover 10% Real hourly forecast for the best viewing hour.

☾ Moonlight 30% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 74° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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

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Forecast data for Washington were last refreshed today at 1:45 PM. The current forecast period extends through 18/09/2026 at 11:00 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.