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Mattoon, IL Weather Forecast | 5 Day
Updated: Wed Jul 16th 2025 4:00 AM CDT
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Fog
Wed 7-16
Fog with a high of 89°F and a low of 72°F. Wind will be moderate, blowing around 12mph on average and gusts of 17.9mph at 11 PM. High humidity with average of 88% is anticipated, the maximum being 99% at 5 AM and 64% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.81inHg at 7 PM with an avg 29.87inHg.
- HI: 89°F
- LO: 72°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
11.2 mph - Humidity
88% avg. - UV Index
2.6 - Air QualityGood
- Sunrise
05:40 AM - Sunset
08:18 PM - Moonrise
11:36 PM - Moonset
11:51 AM - Moon Phase
Waning Gibbous

Heavy Rain
Thu 7-17
Heavy Rain with a high of 79°F and a low of 71°F. It will likey rain, having a 83% chance of a downpour with an estimated 1.96in. Winds will be light at 9mph and gusts of 17.4mph at 12 AM. High humidity with average of 89% is anticipated, the maximum being 99% at 1 AM and 76% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 11 PM, a lowest point of 29.82inHg at 4 AM with an avg 29.95inHg.
- HI: 79°F
- LO: 71°F
- Rainfall: 83% | est. 1.96in
- Snowfall: 0%
- Wind
8.7 mph - Humidity
89% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
05:41 AM - Sunset
08:18 PM - Moonrise
No moonrise - Moonset
01:03 PM - Moon Phase
Last Quarter

Overcast
Fri 7-18
Overcast with a high of 81°F and a low of 67°F. Wind will be moderate, blowing around 11mph on average and gusts of 20.2mph at 1 AM. High humidity with average of 84% is anticipated, the maximum being 94% at 1 AM and 72% being its lowest at 4 PM. Barometric pressure is its highest of 30.1inHg at 10 AM, a lowest point of 30.03inHg at 7 PM with an avg 30.06inHg.
- HI: 81°F
- LO: 67°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
10.3 mph - Humidity
84% avg. - UV Index
2 - Air QualityGood
- Sunrise
05:41 AM - Sunset
08:17 PM - Moonrise
12:02 AM - Moonset
02:16 PM - Moon Phase
Last Quarter

Moderate Rain
Sat 7-19
Moderate Rain with a high of 86°F and a low of 71°F. It will likey rain, having a 80% chance of a downpour with an estimated 0.38in. Wind will be moderate, blowing around 11mph on average and gusts of 13.2mph at 10 AM. High humidity with average of 90% is anticipated, the maximum being 98% at 5 AM and 73% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 12 AM, a lowest point of 29.92inHg at 7 PM with an avg 29.99inHg.
- HI: 86°F
- LO: 71°F
- Rainfall: 80% | est. 0.38in
- Snowfall: 0%
- Wind
10.3 mph - Humidity
90% avg. - UV Index
2.1 - Air QualityGood
- Sunrise
05:42 AM - Sunset
08:16 PM - Moonrise
12:32 AM - Moonset
03:33 PM - Moon Phase
Waning Crescent

Patchy Rain Nearby
Sun 7-20
Scattered showers with a high of 86°F and a low of 71°F. It will likey rain in the surrounding area, having a 81% chance of a downpour with an estimated 0.11in. Wind will be moderate, blowing around 13mph on average and gusts of 26.3mph at 10 PM. High humidity with average of 89% is anticipated, the maximum being 97% at 5 AM and 73% being its lowest at 4 PM. Barometric pressure is its highest of 29.98inHg at 10 AM, a lowest point of 29.8inHg at 10 PM with an avg 29.92inHg.
- HI: 86°F
- LO: 71°F
- Rainfall: 81% | est. 0.11in
- Snowfall: 0%
- Wind
12.5 mph - Humidity
89% avg. - UV Index
0 - Air QualityTBA
- Sunrise
05:43 AM - Sunset
08:16 PM - Moonrise
01:10 AM - Moonset
04:49 PM - Moon Phase
Waning Crescent

Moderate Rain
Mon 7-21
Moderate Rain with a high of 83°F and a low of 72°F. It will likey rain, having a 86% chance of a downpour with an estimated 0.34in. Winds will be light at 9mph and gusts of 15mph at 10 PM. High humidity with average of 92% is anticipated, the maximum being 99% at 4 AM and 82% being its lowest at 4 PM. Barometric pressure is its highest of 29.87inHg at 10 PM, a lowest point of 29.8inHg at 4 AM with an avg 29.83inHg.
- HI: 83°F
- LO: 72°F
- Rainfall: 86% | est. 0.34in
- Snowfall: 0%
- Wind
8.7 mph - Humidity
92% avg. - UV Index
6 - Air QualityTBA
- Sunrise
05:44 AM - Sunset
08:15 PM - Moonrise
01:57 AM - Moonset
06:01 PM - Moon Phase
Waning Crescent
Currently
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72°F |
29.92 inHg.
Barometer 100%
Humidity SSW 9.7 mph Wind |
Mist |