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Current weather in Monmouth is overcast clouds.

Where can I find the hourly weather forecast for Monmouth?

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

Is the weather forecast for Monmouth updated regularly?

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

Now · 1:57 PM

Monmouth Weather & Hourly Forecast

United States · Illinois · 61462

69°F

Overcast

Feels like: 66°F

💧 Humidity 59% 🌡 Pressure 30.30 inHg 💨 Wind 9 mph 👁 Visibility 24.3 mi ☁ Clouds 95% ☀️ UV index 6.0 · High 🌅 Sunrise 6:50 AM 🌇 Sunset 6:59 PM

Hourly Forecast for Monmouth

Today

2:00 PM

Overcast

69° 💧 0.000 in 💨 9 mph H 59%30.30 inHg

5:00 PM

Partly cloudy

68° 💧 None 💨 10 mph H 60%30.27 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 7 mph H 78%30.30 inHg

11:00 PM

Mostly cloudy night

61° 💧 0.000 in 💨 7 mph H 79%30.33 inHg

Tomorrow

2:00 AM

Overcast night

61° 💧 None 💨 6 mph H 82%30.30 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 5 mph H 90%30.30 inHg

8:00 AM

Sunny

58° 💧 None 💨 6 mph H 91%30.33 inHg

11:00 AM

Partly cloudy

67° 💧 0.001 in 💨 6 mph H 69%30.30 inHg

2:00 PM

Overcast

70° 💧 None 💨 4 mph H 64%30.27 inHg

5:00 PM

Overcast

71° 💧 None 💨 5 mph H 62%30.21 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 81%30.21 inHg

11:00 PM

Overcast night

63° 💧 0.001 in 💨 6 mph H 86%30.24 inHg

Friday

2:00 AM

Overcast night

62° 💧 0.002 in 💨 6 mph H 88%30.21 inHg

5:00 AM

Overcast night

61° 💧 None 💨 6 mph H 92%30.21 inHg

8:00 AM

Light rain

62° 💧 0.077 in 💨 5 mph H 94%30.24 inHg

11:00 AM

Light rain

64° 💧 0.042 in 💨 6 mph H 93%30.27 inHg

Today

2:00 PM

Overcast

69° 💧 0.000 in 💨 9 mph H 59%30.30 inHg

3:00 PM

Overcast

70° 💧 None 💨 9 mph H 57%30.30 inHg

4:00 PM

Mostly cloudy

69° 💧 None 💨 9 mph H 55%30.27 inHg

5:00 PM

Partly cloudy

68° 💧 None 💨 10 mph H 60%30.27 inHg

6:00 PM

Mostly sunny

67° 💧 None 💨 8 mph H 68%30.30 inHg

7:00 PM

Clear night

63° 💧 None 💨 6 mph H 76%30.30 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 7 mph H 78%30.30 inHg

9:00 PM

Mostly cloudy night

62° 💧 None 💨 7 mph H 78%30.30 inHg

10:00 PM

Partly cloudy night

62° 💧 None 💨 8 mph H 77%30.33 inHg

11:00 PM

Mostly cloudy night

61° 💧 0.000 in 💨 7 mph H 79%30.33 inHg

Tomorrow

12:00 AM

Overcast night

61° 💧 None 💨 6 mph H 81%30.30 inHg

1:00 AM

Overcast night

61° 💧 None 💨 5 mph H 81%30.30 inHg

2:00 AM

Overcast night

61° 💧 None 💨 6 mph H 82%30.30 inHg

3:00 AM

Overcast night

60° 💧 None 💨 5 mph H 85%30.30 inHg

4:00 AM

Overcast night

59° 💧 None 💨 5 mph H 87%30.30 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 5 mph H 90%30.30 inHg

6:00 AM

Partly cloudy night

57° 💧 None 💨 5 mph H 92%30.30 inHg

7:00 AM

Mostly sunny

57° 💧 None 💨 5 mph H 94%30.33 inHg

8:00 AM

Sunny

58° 💧 None 💨 6 mph H 91%30.33 inHg

9:00 AM

Sunny

61° 💧 None 💨 6 mph H 84%30.33 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 6 mph H 76%30.33 inHg

11:00 AM

Partly cloudy

67° 💧 None 💨 6 mph H 69%30.30 inHg

12:00 PM

Overcast

69° 💧 None 💨 6 mph H 67%30.30 inHg

1:00 PM

Overcast

70° 💧 0.001 in 💨 5 mph H 64%30.27 inHg

2:00 PM

Overcast

70° 💧 None 💨 4 mph H 64%30.27 inHg

3:00 PM

Overcast

71° 💧 None 💨 6 mph H 62%30.24 inHg

4:00 PM

Overcast

71° 💧 None 💨 5 mph H 61%30.24 inHg

5:00 PM

Overcast

71° 💧 None 💨 5 mph H 62%30.21 inHg

6:00 PM

Partly cloudy

70° 💧 None 💨 3 mph H 68%30.21 inHg

7:00 PM

Partly cloudy night

66° 💧 None 💨 3 mph H 77%30.21 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 4 mph H 81%30.21 inHg

9:00 PM

Mostly cloudy night

64° 💧 None 💨 5 mph H 82%30.24 inHg

10:00 PM

Overcast night

62° 💧 None 💨 5 mph H 87%30.24 inHg

11:00 PM

Overcast night

63° 💧 0.001 in 💨 6 mph H 86%30.24 inHg

Friday

12:00 AM

Overcast night

63° 💧 None 💨 7 mph H 87%30.21 inHg

1:00 AM

Overcast night

62° 💧 None 💨 7 mph H 87%30.21 inHg

2:00 AM

Overcast night

62° 💧 None 💨 6 mph H 88%30.21 inHg

3:00 AM

Overcast night

62° 💧 0.002 in 💨 6 mph H 89%30.21 inHg

4:00 AM

Overcast night

62° 💧 None 💨 6 mph H 90%30.21 inHg

5:00 AM

Overcast night

61° 💧 None 💨 6 mph H 92%30.21 inHg

6:00 AM

Overcast night

61° 💧 None 💨 6 mph H 92%30.24 inHg

7:00 AM

Overcast

61° 💧 None 💨 5 mph H 92%30.24 inHg

8:00 AM

Light rain

62° 💧 0.054 in 💨 5 mph H 94%30.24 inHg

9:00 AM

Light rain

63° 💧 0.022 in 💨 5 mph H 95%30.24 inHg

10:00 AM

Overcast

64° 💧 0.002 in 💨 5 mph H 94%30.27 inHg

11:00 AM

Light rain

64° 💧 0.022 in 💨 6 mph H 93%30.27 inHg

12:00 PM

Light rain

65° 💧 0.013 in 💨 6 mph H 91%30.27 inHg

1:00 PM

Light rain

66° 💧 0.007 in 💨 6 mph H 86%30.24 inHg

2:00 PM

Overcast

67° 💧 0.002 in 💨 7 mph H 83%30.21 inHg

3:00 PM

Mostly cloudy

67° 💧 0.002 in 💨 7 mph H 82%30.21 inHg

4:00 PM

Overcast

68° 💧 0.002 in 💨 8 mph H 79%30.18 inHg

5:00 PM

Overcast

68° 💧 0.001 in 💨 7 mph H 77%30.18 inHg

6:00 PM

Overcast

67° 💧 None 💨 7 mph H 78%30.18 inHg

7:00 PM

Mostly cloudy night

65° 💧 None 💨 7 mph H 81%30.18 inHg

8:00 PM

Partly cloudy night

63° 💧 None 💨 8 mph H 83%30.18 inHg

9:00 PM

Mostly clear night

62° 💧 None 💨 8 mph H 83%30.21 inHg

10:00 PM

Mostly clear night

60° 💧 None 💨 8 mph H 84%30.21 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 8 mph H 83%30.18 inHg

Saturday

12:00 AM

Mostly cloudy night

57° 💧 None 💨 7 mph H 81%30.18 inHg

1:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 81%30.18 inHg

2:00 AM

Overcast night

55° 💧 None 💨 8 mph H 82%30.18 inHg

3:00 AM

Mostly cloudy night

54° 💧 None 💨 8 mph H 82%30.15 inHg

4:00 AM

Mostly cloudy night

54° 💧 None 💨 8 mph H 81%30.15 inHg

5:00 AM

Mostly cloudy night

53° 💧 None 💨 8 mph H 82%30.15 inHg

6:00 AM

Mostly cloudy night

52° 💧 None 💨 7 mph H 85%30.18 inHg

7:00 AM

Overcast

52° 💧 None 💨 7 mph H 88%30.18 inHg

10:00 AM

Overcast

60° 💧 None 💨 8 mph H 73%30.18 inHg

1:00 PM

Overcast

67° 💧 None 💨 9 mph H 58%30.15 inHg

4:00 PM

Overcast

66° 💧 None 💨 7 mph H 60%30.09 inHg

7:00 PM

Mostly cloudy night

63° 💧 None 💨 4 mph H 73%30.06 inHg

10:00 PM

Overcast night

59° 💧 None 💨 4 mph H 80%30.09 inHg

Sunday

1:00 AM

Partly cloudy night

58° 💧 None 💨 6 mph H 85%30.06 inHg

4:00 AM

Overcast night

59° 💧 None 💨 8 mph H 81%30.06 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 7 mph H 91%30.06 inHg

10:00 AM

Partly cloudy

63° 💧 None 💨 8 mph H 79%30.06 inHg

1:00 PM

Mostly sunny

71° 💧 None 💨 7 mph H 59%30.06 inHg

4:00 PM

Sunny

72° 💧 None 💨 5 mph H 55%30.00 inHg

7:00 PM

Clear night

65° 💧 None 💨 5 mph H 76%30.00 inHg

10:00 PM

Clear night

60° 💧 None 💨 6 mph H 82%30.03 inHg

Monday

1:00 AM

Clear night

57° 💧 None 💨 6 mph H 83%30.03 inHg

4:00 AM

Clear night

54° 💧 None 💨 6 mph H 90%30.03 inHg

7:00 AM

Sunny

51° 💧 None 💨 4 mph H 92%30.06 inHg

10:00 AM

Sunny

62° 💧 None 💨 5 mph H 75%30.06 inHg

1:00 PM

Sunny

70° 💧 None 💨 4 mph H 59%30.03 inHg

4:00 PM

Mostly sunny

71° 💧 None 💨 4 mph H 56%29.97 inHg

7:00 PM

Overcast night

64° 💧 None 💨 2 mph H 77%29.94 inHg

10:00 PM

Mostly cloudy night

59° 💧 None 💨 6 mph H 83%29.94 inHg

Tuesday

1:00 AM

Overcast night

57° 💧 None 💨 5 mph H 84%29.94 inHg

7:00 AM

Overcast

63° 💧 None 💨 8 mph H 73%29.85 inHg

1:00 PM

Light rain

61° 💧 None 💨 11 mph H 80%29.80 inHg

7:00 PM

Heavy rain

66° 💧 None 💨 8 mph H 87%29.77 inHg

Wednesday

1:00 AM

Moderate rain

67° 💧 None 💨 10 mph H 94%29.65 inHg

7:00 AM

Heavy rain

66° 💧 None 💨 0 mph H 99%29.59 inHg

1:00 PM

Overcast

61° 💧 None 💨 12 mph H 95%29.62 inHg

7:00 PM

Overcast night

65° 💧 None 💨 12 mph H 78%29.71 inHg

Thursday

1:00 AM

Overcast night

64° 💧 None 💨 9 mph H 81%29.71 inHg

7:00 AM

Light rain

61° 💧 None 💨 9 mph H 82%29.74 inHg

1:00 PM

Light rain

58° 💧 None 💨 11 mph H 85%29.77 inHg

7:00 PM

Mostly cloudy night

64° 💧 None 💨 14 mph H 54%29.83 inHg

Friday

1:00 AM

Partly cloudy night

59° 💧 None 💨 12 mph H 58%29.88 inHg

7:00 AM

Sunny

51° 💧 None 💨 7 mph H 75%29.97 inHg

1:00 PM

Sunny

47° 💧 None 💨 6 mph H 93%30.06 inHg

7:00 PM

Overcast night

61° 💧 None 💨 9 mph H 55%30.09 inHg

Saturday

1:00 AM

Clear night

55° 💧 None 💨 4 mph H 77%30.06 inHg

7:00 AM

Overcast night

50° 💧 None 💨 0 mph H 89%30.12 inHg

1:00 PM

Mostly sunny

48° 💧 None 💨 1 mph H 94%30.18 inHg

7:00 PM

Partly cloudy night

64° 💧 None 💨 5 mph H 45%30.21 inHg

Sunday

1:00 AM

Clear night

57° 💧 None 💨 3 mph H 66%30.18 inHg

7:00 AM

Clear night

52° 💧 None 💨 5 mph H 76%30.21 inHg

1:00 PM

Mostly sunny

50° 💧 None 💨 6 mph H 84%30.24 inHg

7:00 PM

Overcast night

67° 💧 None 💨 10 mph H 60%30.18 inHg

Monday

1:00 AM

Mostly cloudy night

64° 💧 None 💨 8 mph H 71%30.09 inHg

7:00 AM

Light rain

59° 💧 None 💨 11 mph H 90%30.09 inHg

1:00 PM

Partly cloudy

58° 💧 None 💨 7 mph H 93%30.06 inHg

7:00 PM

Partly cloudy night

73° 💧 None 💨 9 mph H 67%30.03 inHg

Tuesday

1:00 AM

Clear night

70° 💧 None 💨 8 mph H 78%29.97 inHg

7:00 AM

Clear night

65° 💧 None 💨 11 mph H 85%29.97 inHg

1:00 PM

Sunny

63° 💧 None 💨 9 mph H 92%29.97 inHg

7:00 PM

Clear night

73° 💧 None 💨 12 mph H 61%30.00 inHg

Wednesday

1:00 AM

Clear night

61° 💧 None 💨 9 mph H 56%30.06 inHg

7:00 AM

Clear night

53° 💧 None 💨 10 mph H 64%30.15 inHg

1:00 PM

Sunny

47° 💧 None 💨 8 mph H 68%30.21 inHg

7:00 PM

Clear night

59° 💧 None 💨 15 mph H 42%30.18 inHg

Thursday

1:00 AM

Mostly clear night

53° 💧 None 💨 9 mph H 49%30.12 inHg

In Monmouth 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 Monmouth

TomorrowTomorrow

Overcast 70°/56° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 69°/61° 💧 None 💨 8 mph

Saturday, Sep 26Sat Sep 26

Overcast 67°/52° 💧 0.072 in 💨 9 mph

Sunday, Sep 27Sun Sep 27

Overcast 72°/57° 💧 0.029 in 💨 8 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 71°/51° 💧 None 💨 6 mph

Tuesday, Sep 29Tue Sep 29

Heavy rain 66°/57° 💧 0.203 in 💨 11 mph

Wednesday, Sep 30Wed Sep 30

Heavy rain 67°/61° 💧 1.350 in 💨 12 mph

Thursday, Oct 1Thu Oct 1

Light rain 64°/58° 💧 0.029 in 💨 14 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 61°/47° 💧 0.012 in 💨 12 mph

Saturday, Oct 3Sat Oct 3

Overcast 64°/48° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 67°/50° 💧 None 💨 10 mph

Monday, Oct 5Mon Oct 5

Light rain 73°/58° 💧 0.058 in 💨 11 mph

Tuesday, Oct 6Tue Oct 6

Sunny 73°/63° 💧 0.001 in 💨 12 mph

Wednesday, Oct 7Wed Oct 7

Sunny 61°/47° 💧 None 💨 15 mph

Thursday, Oct 8Thu Oct 8

Mostly sunny 53°/53° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Monmouth

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Monmouth

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,0µg/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 7,5µg/m³

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

O₃ Ozone Fair 82,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,3µg/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 Monmouth

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 6,0High 🙂Fair

Tomorrow UV 5,9Moderate 🙂Fair

Friday UV 3,1Moderate 🙂Fair

Saturday UV 0,6Low 🙂Fair

Sunday UV 5,0Moderate 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

2:00 PMUV 5,5 3:00 PMUV 3,8 4:00 PMUV 1,1 5:00 PMUV 0,5 6:00 PMUV 0,2 7:00 PMUV 0,0

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

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

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 Monmouth

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MONMOUTH, ILLINOIS

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

55/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 8:30 PM–5:20 AM

☁ Cloud cover 49% Real hourly forecast for the best viewing hour.

☾ Moonlight 93% Waxing Gibbous · Moon about 36° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 6° 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

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Forecast data for Monmouth were last refreshed today at 1:57 PM. The current forecast period extends through 25/09/2026 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.