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Mermet IL Weather - Clear - 82°F
Clear
82°F
Updated 7:07 pm
Feels Like 90°F
Humidity 66%
Wind N 0 mph
Barometer  29.9 in
Dew Point 70°F
Mermet IL Weather - Clear - 28°C
Clear
28°C
Updated 7:07 pm
Feels Like 32°C
Humidity 66%
Wind N 0 km/h
Barometer  101.3 kPa
Dew Point 21°C
Mermet, IL Weather and Current Conditionsmermet il weather forecast

Mermet, IL Weather Forecast

Mermet Illinois WeatherMermet, Illinois Weather Weather Forecast
14 day API Mermet, IL weather forecast. Note. Our 7-day weather forecast for Mermet, Illinois is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Mermet, IL Weather Forecast Dated: 707 PM Sat Sep 19 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Saturday, September 19, 2026

Mid-Morning
Mermet Weather - 2026-09-19 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Mermet Weather - 2026-09-19 - Afternoon - Sunny
100°F 38°C
Sunny
Early-Evening
Mermet Weather - 2026-09-19 - Evening - Partly Cloudy
92°F 33°C
Partly Cloudy
Scorching hot near 100°F 38°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the W at 9 mph 15 km/h.

Sunday, September 20, 2026

Mid-Morning
Mermet Weather - 2026-09-20 - Morning - Overcast
83°F 28°C
Overcast
Mid-Afternoon
Mermet Weather - 2026-09-20 - Afternoon - Overcast
100°F 38°C
Overcast
Early-Evening
Mermet Weather - 2026-09-20 - Evening - Overcast
90°F 32°C
Overcast
Sweltering heat reaching 100°F 38°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds switching from the W to the NE at 5 mph 8 km/h.

Monday, September 21, 2026

Mid-Morning
Mermet Weather - 2026-09-21 - Morning - Partly Cloudy
76°F 25°C
Partly Cloudy
Mid-Afternoon
Mermet Weather - 2026-09-21 - Afternoon - Scattered Showers
88°F 31°C
Scattered Showers
Early-Evening
Mermet Weather - 2026-09-21 - Evening - Partly Cloudy
71°F 21°C
Partly Cloudy
Quite warm around 88°F 31°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the NE to the N at 8 mph 13 km/h.

Tuesday, September 22, 2026

Mid-Morning
Mermet Weather - 2026-09-22 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Mermet Weather - 2026-09-22 - Afternoon - Partly Cloudy
84°F 29°C
Partly Cloudy
Early-Evening
Mermet Weather - 2026-09-22 - Evening - Overcast
76°F 25°C
Overcast
Warm temperatures up to 84°F 29°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the NNE to the N at 10 mph 16 km/h.

Wednesday, September 23, 2026

Mid-Morning
Mermet Weather - 2026-09-23 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Mermet Weather - 2026-09-23 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Mermet Weather - 2026-09-23 - Evening - Overcast
72°F 22°C
Overcast
Very warm with a high of 81°F 27°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds blowing from the N at 11 mph 17 km/h.

Thursday, September 24, 2026

Mid-Morning
Mermet Weather - 2026-09-24 - Morning - Fog
62°F 17°C
Fog
Mid-Afternoon
Mermet Weather - 2026-09-24 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Mermet Weather - 2026-09-24 - Evening - Cloudy
72°F 22°C
Cloudy
Pleasant near 78°F 26°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the SE to the NE at 8 mph 12 km/h.

Friday, September 25, 2026

Mid-Morning
Mermet Weather - 2026-09-25 - Morning - Light Fog
67°F 19°C
Light Fog
Mid-Afternoon
Mermet Weather - 2026-09-25 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Mermet Weather - 2026-09-25 - Evening - Overcast
74°F 24°C
Overcast
Comfortable with temperatures reaching 79°F 26°C, overcast throughout the day, with lower humidity and steady pressure. Winds switching from the E to the ENE at 8 mph 12 km/h.

Saturday, September 26, 2026

Mid-Morning
Mermet Weather - 2026-09-26 - Morning - Overcast
65°F 19°C
Overcast
Mid-Afternoon
Mermet Weather - 2026-09-26 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Mermet Weather - 2026-09-26 - Evening - Sunny
71°F 22°C
Sunny
Enjoyable around 79°F 26°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the ENE at 10 mph 16 km/h.

Sunday, September 27, 2026

Mid-Morning
Mermet Weather - 2026-09-27 - Morning - Light Showers
54°F 12°C
Light Showers
Mid-Afternoon
Mermet Weather - 2026-09-27 - Afternoon - Light Showers
56°F 13°C
Light Showers
Early-Evening
Mermet Weather - 2026-09-27 - Evening - Scattered Showers
71°F 22°C
Scattered Showers
Brisk around 56°F 13°C, locally heavy downpours at times, with lower humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Mermet Weather - 2026-09-28 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Mermet Weather - 2026-09-28 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Mermet Weather - 2026-09-28 - Evening - Sunny
81°F 28°C
Sunny
Very warm with a high of 88°F 31°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Mermet Weather - 2026-09-29 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Mermet Weather - 2026-09-29 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Mermet Weather - 2026-09-29 - Evening - Overcast
69°F 21°C
Overcast
Warm and summery near 81°F 27°C, overcast throughout the day, with increasing humidity and steady pressure. Winds swinging from the SW to the WSW at 9 mph 15 km/h.

Wednesday, September 30, 2026

Mid-Morning
Mermet Weather - 2026-09-30 - Morning - Light Showers
64°F 18°C
Light Showers
Mid-Afternoon
Mermet Weather - 2026-09-30 - Afternoon - Scattered Showers
70°F 21°C
Scattered Showers
Early-Evening
Mermet Weather - 2026-09-30 - Evening - Overcast
67°F 19°C
Overcast
Comfortable with temperatures reaching 70°F 21°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds shifting from the NNW to the NNE at 5 mph 8 km/h.

Thursday, October 1, 2026

Mid-Morning
Mermet Weather - 2026-10-01 - Morning - Cloudy
64°F 18°C
Cloudy
Mid-Afternoon
Mermet Weather - 2026-10-01 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Mermet Weather - 2026-10-01 - Evening - Scattered Showers
70°F 21°C
Scattered Showers
Enjoyable around 75°F 24°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Mermet Weather - 2026-10-02 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
Mermet Weather - 2026-10-02 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Mermet Weather - 2026-10-02 - Evening - Sunny
67°F 19°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NNE to the N at 9 mph 14 km/h.

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Weather by the Numbers

Sat, 19th
Mermet IL Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 100°F 38°C
Lo: 75°F 24°C
Sunrise 06:41 AM
Sunset 06:57 PM
Wind WSW 10 mph16 km/h
Dew Point 58°F14°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 27%
Sun, 20th
Mermet IL Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 100°F 38°C
Lo: 78°F 25°C
Sunrise 06:42 AM
Sunset 06:56 PM
Wind WSW 9 mph15 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 9% *
Humidity 27%
Mon, 21st
Mermet IL Weather - Monday, Sep 21, 2026 - Overcast
Hi: 88°F 31°C
Lo: 68°F 20°C
Sunrise 06:43 AM
Sunset 06:54 PM
Wind NE 9 mph15 km/h
Dew Point 65°F19°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 12% *
Humidity 54%
Tue, 22nd
Mermet IL Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 84°F 29°C
Lo: 63°F 17°C
Sunrise 06:44 AM
Sunset 06:53 PM
Wind NNE 8 mph13 km/h
Dew Point 61°F16°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 53%
Wed, 23rd
Mermet IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 81°F 27°C
Lo: 59°F 15°C
Sunrise 06:45 AM
Sunset 06:51 PM
Wind N 8 mph13 km/h
Dew Point 55°F13°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 48%
Thu, 24th
Mermet IL Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 06:45 AM
Sunset 06:50 PM
Wind NE 8 mph12 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 51%
Fri, 25th
Mermet IL Weather - Friday, Sep 25, 2026 - Overcast
Hi: 80°F 27°C
Lo: 60°F 15°C
Sunrise 06:46 AM
Sunset 06:48 PM
Wind E 6 mph10 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 52%
Sat, 26th
Mermet IL Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 80°F 26°C
Lo: 60°F 15°C
Sunrise 06:47 AM
Sunset 06:47 PM
Wind ENE 10 mph15 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 48%
Sun, 27th
Mermet IL Weather - Sunday, Sep 27, 2026 - Patchy Rain Nearby
Hi: 75°F 24°C
Lo: 54°F 12°C
Sunrise 06:48 AM
Sunset 06:45 PM
Wind NNE 8 mph13 km/h
Dew Point 53°F12°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 48% *
Humidity 94%
Mon, 28th
Mermet IL Weather - Monday, Sep 28, 2026 - Sunny
Hi: 89°F 31°C
Lo: 62°F 17°C
Sunrise 06:49 AM
Sunset 06:43 PM
Wind SW 6 mph10 km/h
Dew Point 49°F10°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Tue, 29th
Mermet IL Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 82°F 28°C
Lo: 64°F 18°C
Sunrise 06:50 AM
Sunset 06:42 PM
Wind WSW 7 mph12 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 9% *
Humidity 32%
Wed, 30th
Mermet IL Weather - Wednesday, Sep 30, 2026 - Patchy Rain Nearby
Hi: 71°F 21°C
Lo: 62°F 16°C
Sunrise 06:51 AM
Sunset 06:40 PM
Wind N 6 mph9 km/h
Dew Point 58°F14°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 16% *
Humidity 70%
Thu, 1st
Mermet IL Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 76°F 25°C
Lo: 61°F 16°C
Sunrise 06:51 AM
Sunset 06:39 PM
Wind E 5 mph8 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 12% *
Humidity 53%
Fri, 2nd
Mermet IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 78°F 25°C
Lo: 57°F 14°C
Sunrise 06:52 AM
Sunset 06:37 PM
Wind NNE 8 mph13 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 39%
* POP = Probability of Precipitation. Data for 12:00 PM.