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Merriam IL Weather - Clear - 58°F
Clear
58°F
Updated 3:50 am
Feels Like 61°F
Humidity 86%
Wind N 0 mph
Barometer  29.99 in
Dew Point 54°F
Merriam IL Weather - Clear - 14°C
Clear
14°C
Updated 3:50 am
Feels Like 16°C
Humidity 86%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 12°C
Merriam, IL Weather and Current Conditionsmerriam il weather forecast

Merriam, IL Weather Forecast

Merriam Illinois WeatherMerriam, Illinois Weather Weather Forecast
14 day API Merriam, IL weather forecast. Note. Our 7-day weather forecast for Merriam, 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.
Merriam, IL Weather Forecast Dated: 350 AM Mon Oct 12 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.

Monday, October 12, 2026

Mid-Morning
Merriam Weather - 2026-10-12 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-12 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Merriam Weather - 2026-10-12 - Evening - Sunny
82°F 28°C
Sunny
Very hot with temperatures reaching 92°F 33°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the SSW at 11 mph 18 km/h. Gusts up to 25 mph 41 km/h.

Tuesday, October 13, 2026

Mid-Morning
Merriam Weather - 2026-10-13 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-13 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Merriam Weather - 2026-10-13 - Evening - Sunny
87°F 31°C
Sunny
Hot and sweltering around 95°F 35°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 11 mph 16 km/h. Gusts up to 21 mph 33 km/h.

Wednesday, October 14, 2026

Mid-Morning
Merriam Weather - 2026-10-14 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Merriam Weather - 2026-10-14 - Afternoon - Light Showers
83°F 28°C
Light Showers
Early-Evening
Merriam Weather - 2026-10-14 - Evening - Overcast
74°F 24°C
Overcast
Very warm near 83°F 28°C, though humidity makes it feel like 88°F 31°C, dry early, with showers developing in the afternoon, with increasing humidity and steady pressure. Winds moving from the SW to the ENE at 4 mph 6 km/h.

Thursday, October 15, 2026

Mid-Morning
Merriam Weather - 2026-10-15 - Morning - Light Showers
74°F 23°C
Light Showers
Mid-Afternoon
Merriam Weather - 2026-10-15 - Afternoon - Cloudy
83°F 28°C
Cloudy
Early-Evening
Merriam Weather - 2026-10-15 - Evening - Sunny
77°F 25°C
Sunny
Warm and summery around 83°F 28°C (feels like 88°F 31°C), early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds swinging from the S to the W at 9 mph 14 km/h.

Friday, October 16, 2026

Mid-Morning
Merriam Weather - 2026-10-16 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-16 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Merriam Weather - 2026-10-16 - Evening - Sunny
53°F 12°C
Sunny
Refreshing around 61°F 16°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure rising. Winds shifting from the NNW to the N at 16 mph 26 km/h. Gusts up to 25 mph 41 km/h.

Saturday, October 17, 2026

Mid-Morning
Merriam Weather - 2026-10-17 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-17 - Afternoon - Sunny
58°F 14°C
Sunny
Early-Evening
Merriam Weather - 2026-10-17 - Evening - Sunny
49°F 10°C
Sunny
Mildly cool near 58°F 14°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the ENE at 9 mph 13 km/h.

Sunday, October 18, 2026

Mid-Morning
Merriam Weather - 2026-10-18 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-18 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Merriam Weather - 2026-10-18 - Evening - Sunny
58°F 15°C
Sunny
Comfortable at 65°F 18°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SE to the SSE at 6 mph 10 km/h.

Monday, October 19, 2026

Mid-Morning
Merriam Weather - 2026-10-19 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-19 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Merriam Weather - 2026-10-19 - Evening - Overcast
67°F 19°C
Overcast
Enjoyable around 74°F 23°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the S at 11 mph 18 km/h.

Tuesday, October 20, 2026

Mid-Morning
Merriam Weather - 2026-10-20 - Morning - Scattered Showers
61°F 16°C
Scattered Showers
Mid-Afternoon
Merriam Weather - 2026-10-20 - Afternoon - Light Rain
61°F 16°C
Light Rain
Early-Evening
Merriam Weather - 2026-10-20 - Evening - Light Rain
61°F 16°C
Light Rain
Refreshing around 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure.

Wednesday, October 21, 2026

Mid-Morning
Merriam Weather - 2026-10-21 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-21 - Afternoon - Sunny
76°F 24°C
Sunny
Early-Evening
Merriam Weather - 2026-10-21 - Evening - Sunny
67°F 20°C
Sunny
Mild with a high of 76°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds ESE at 8 mph 13 km/h.

Thursday, October 22, 2026

Mid-Morning
Merriam Weather - 2026-10-22 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Merriam Weather - 2026-10-22 - Afternoon - Partly Cloudy
78°F 26°C
Partly Cloudy
Early-Evening
Merriam Weather - 2026-10-22 - Evening - Sunny
71°F 22°C
Sunny
Pleasant near 78°F 26°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure.

Friday, October 23, 2026

Mid-Morning
Merriam Weather - 2026-10-23 - Morning - Cloudy
67°F 19°C
Cloudy
Mid-Afternoon
Merriam Weather - 2026-10-23 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Merriam Weather - 2026-10-23 - Evening - Partly Cloudy
67°F 20°C
Partly Cloudy
Comfortable with temperatures reaching 72°F 22°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the SW to the SE at 10 mph 16 km/h. Gusts up to 20 mph 33 km/h.

Saturday, October 24, 2026

Mid-Morning
Merriam Weather - 2026-10-24 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Merriam Weather - 2026-10-24 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Merriam Weather - 2026-10-24 - Evening - Sunny
62°F 17°C
Sunny
Enjoyable around 69°F 20°C, cloudy in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the ENE to the ESE at 8 mph 13 km/h.

Sunday, October 25, 2026

Mid-Morning
Merriam Weather - 2026-10-25 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Merriam Weather - 2026-10-25 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Merriam Weather - 2026-10-25 - Evening - Sunny
69°F 21°C
Sunny
Mild temperatures up to 76°F 24°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the S to the WNW at 18 mph 28 km/h. Gusts up to 32 mph 51 km/h.

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Weather by the Numbers

Mon, 12th
Merriam IL Weather - Monday, Oct 12, 2026 - Sunny
Hi: 92°F 33°C
Lo: 63°F 17°C
Sunrise 07:00 AM
Sunset 06:19 PM
Wind SW 13 mph21 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 33%
Tue, 13th
Merriam IL Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 95°F 35°C
Lo: 67°F 20°C
Sunrise 07:01 AM
Sunset 06:18 PM
Wind SW 14 mph22 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 39%
Wed, 14th
Merriam IL Weather - Wednesday, Oct 14, 2026 - Cloudy
Hi: 88°F 31°C
Lo: 72°F 22°C
Sunrise 07:02 AM
Sunset 06:17 PM
Wind WSW 10 mph15 km/h
Dew Point 70°F21°C
uv Index 1
Barometric Pressure 29.97 in1015 mb
POP 11% *
Humidity 59%
Thu, 15th
Merriam IL Weather - Thursday, Oct 15, 2026 - Partly Cloudy
Hi: 88°F 31°C
Lo: 70°F 21°C
Sunrise 07:03 AM
Sunset 06:15 PM
Wind SW 10 mph17 km/h
Dew Point 72°F22°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 7% *
Humidity 65%
Fri, 16th
Merriam IL Weather - Friday, Oct 16, 2026 - Sunny
Hi: 70°F 21°C
Lo: 48°F 9°C
Sunrise 07:04 AM
Sunset 06:14 PM
Wind NNW 20 mph32 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 38%
Sat, 17th
Merriam IL Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 58°F 15°C
Lo: 40°F 5°C
Sunrise 07:05 AM
Sunset 06:12 PM
Wind NE 12 mph19 km/h
Dew Point 31°F-1°C
uv Index 4
Barometric Pressure 30.53 in1034 mb
POP 1% *
Humidity 41%
Sun, 18th
Merriam IL Weather - Sunday, Oct 18, 2026 - Sunny
Hi: 67°F 19°C
Lo: 38°F 3°C
Sunrise 07:06 AM
Sunset 06:11 PM
Wind SSE 7 mph12 km/h
Dew Point 26°F-3°C
uv Index 4
Barometric Pressure 30.36 in1028 mb
POP 1% *
Humidity 29%
Mon, 19th
Merriam IL Weather - Monday, Oct 19, 2026 - Sunny
Hi: 75°F 24°C
Lo: 49°F 9°C
Sunrise 07:07 AM
Sunset 06:10 PM
Wind S 12 mph19 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.3 in1026 mb
POP 2% *
Humidity 53%
Tue, 20th
Merriam IL Weather - Tuesday, Oct 20, 2026 - Light Drizzle
Hi: 63°F 17°C
Lo: 58°F 15°C
Sunrise 07:08 AM
Sunset 06:08 PM
Wind ENE 5 mph9 km/h
Dew Point 59°F15°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 79% *
Humidity 95%
Wed, 21st
Merriam IL Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 76°F 25°C
Lo: 57°F 14°C
Sunrise 07:09 AM
Sunset 06:07 PM
Wind E 9 mph14 km/h
Dew Point 58°F14°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 60%
Thu, 22nd
Merriam IL Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 79°F 26°C
Lo: 56°F 14°C
Sunrise 07:10 AM
Sunset 06:06 PM
Wind S 6 mph10 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.3 in1026 mb
POP 3% *
Humidity 46%
Fri, 23rd
Merriam IL Weather - Friday, Oct 23, 2026 - Overcast
Hi: 74°F 23°C
Lo: 62°F 17°C
Sunrise 07:11 AM
Sunset 06:04 PM
Wind WSW 12 mph19 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 13% *
Humidity 53%
Sat, 24th
Merriam IL Weather - Saturday, Oct 24, 2026 - Partly Cloudy
Hi: 69°F 21°C
Lo: 51°F 10°C
Sunrise 07:12 AM
Sunset 06:03 PM
Wind E 10 mph16 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 8% *
Humidity 38%
Sun, 25th
Merriam IL Weather - Sunday, Oct 25, 2026 - Light Drizzle
Hi: 77°F 25°C
Lo: 58°F 15°C
Sunrise 07:13 AM
Sunset 06:02 PM
Wind SSW 20 mph32 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 22% *
Humidity 59%
* POP = Probability of Precipitation. Data for 12:00 PM.