 |
 Current Mattoon Weather Conditions |
Updated May 15th at 10:53 am |
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| Overcast |
| Temperature: | 57°F |
Dew Point: | 50°F |
| Barometer: | 29.98 inHg |
Wind: | N 26 Mph |
| Humidity: | 76.8% |
Visibility: | 0M |
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| Mattoon Weather Forecast Summary |
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Today
May 15th
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Saturday
May 16th
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Sunday
May 17th
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Monday
May 18th
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Tuesday
May 19th
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Mix of Cloud and Sun |
Thundershowers |
Mostly Sunny |
Mostly Sunny |
Thundershowers |
73°F
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75°F
64°F |
81°F
65°F |
83°F
65°F |
79°F
63°F |
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| Mattoon Detailed Weather Forecast |
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| Friday, May 15th, 2026 |
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Afternoon |
Temperature: 70°F |
| Mostly sunny with a slight chance of showers. Windy. |
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Evening |
Temperature: 67°F |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy at times. |
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| Saturday, May 16th, 2026 |
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Overnight |
Temperature: 64°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 69°F |
| A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 71°F |
| Cloudy with a few showers. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 67°F |
| A mix of cloudy and clear skies with showers likely. Slight chance of a thunderstorm. |
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| Sunday, May 17th, 2026 |
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Overnight |
Temperature: 65°F |
| A mix of clear and cloudy skies with a chance of showers. Windy at times. |
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Morning |
Temperature: 69°F |
| Mostly sunny with a chance of showers. Windy at times. |
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Afternoon |
Temperature: 80°F |
| Mostly sunny. Chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 70°F |
| Clear. Slight chance of a thunderstorm. Windy at times. |
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| Monday, May 18th, 2026 |
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Overnight |
Temperature: 66°F |
| Mostly clear. Windy at times. |
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Morning |
Temperature: 70°F |
| Mostly sunny. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 81°F |
| A mix of sun and cloud with showers likely. Chance of a thunderstorm. Windy. |
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Evening |
Temperature: 76°F |
| Mostly clear with a chance of showers or thundershowers. Windy. |
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| Tuesday, May 19th, 2026 |
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Overnight |
Temperature: 73°F |
| Mostly clear with a slight chance of showers or thundershowers. Windy. |
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Morning |
Temperature: 71°F |
| Mostly cloudy with showers likely. Chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 79°F |
| A mix of cloud and sun with a chance of showers or thundershowers. Windy. |
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Evening |
Temperature: 68°F |
| Cloudy with showers likely. Chance of a thunderstorm. Windy at times. |
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| Wednesday, May 20th, 2026 |
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Overnight |
Temperature: 61°F |
| Cloudy with showers likely. Windy at times. |
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Morning |
Temperature: 57°F |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 64°F |
| Sunny with cloudy periods. Windy at times. |
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Evening |
Temperature: 57°F |
| Mostly clear. |
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| Thursday, May 21st, 2026 |
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Overnight |
Temperature: 48°F |
| Clear. Windy at times. |
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Morning |
Temperature: 53°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 63°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 55°F |
| Clear. Windy at times. |
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| Friday, May 22nd, 2026 |
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Overnight |
Temperature: 47°F |
| Clear. |
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Morning |
Temperature: 55°F |
| Sunny. |
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Afternoon |
Temperature: 69°F |
| Sunny. |
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Evening |
Temperature: 63°F |
| Mostly clear. |
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| Saturday, May 23rd, 2026 |
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Overnight |
Temperature: 55°F |
| Mostly clear. |
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Morning |
Temperature: 63°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 75°F |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy. |
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Evening |
Temperature: 72°F |
| A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm. Windy at times. |
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