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Harmony IL Weather - Clear - 78°F
Clear
78°F
Updated 12:26 am
Feels Like 79°F
Humidity 78%
Wind SE 5 mph
Barometer  29.91 in
Dew Point 71°F
Harmony IL Weather - Clear - 26°C
Clear
26°C
Updated 12:26 am
Feels Like 26°C
Humidity 78%
Wind SE 8 km/h
Barometer  101.2 kPa
Dew Point 22°C
Harmony, IL Weather and Current Conditionsharmony il weather forecast

Harmony, IL Weather Forecast

Harmony Illinois WeatherHarmony, Illinois Weather Weather Forecast
14 Day API Harmony, IL Weather Forecast. Note: Our 7 day Harmony, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Harmony, IL Weather Forecast Dated: 1226 AM Fri Sep 04 2026
Expect a hot stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Friday, September 4, 2026

Mid-Morning
Harmony Weather - 2026-09-04 - Morning - Sunny
85°F 29°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-04 - Afternoon - Sunny
102°F 39°C
Sunny
Early-Evening
Harmony Weather - 2026-09-04 - Evening - Sunny
96°F 36°C
Sunny
Scorching hot near 102°F 39°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the WSW to the SSW at 10 mph 16 km/h.

Saturday, September 5, 2026

Mid-Morning
Harmony Weather - 2026-09-05 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-05 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Harmony Weather - 2026-09-05 - Evening - Nearby Thunderstorms
89°F 32°C
Nearby Thunderstorms
Hot and sweltering around 98°F 37°C (heat index 102°F 39°C), locally heavy thunderstorms at times, with lower humidity and steady pressure. Winds switching from the WNW to the E at 10 mph 16 km/h.

Sunday, September 6, 2026

Mid-Morning
Harmony Weather - 2026-09-06 - Morning - Light Showers
71°F 21°C
Light Showers
Mid-Afternoon
Harmony Weather - 2026-09-06 - Afternoon - Overcast
87°F 31°C
Overcast
Early-Evening
Harmony Weather - 2026-09-06 - Evening - Overcast
81°F 27°C
Overcast
Quite warm around 87°F 31°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds ENE at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.

Monday, September 7, 2026

Mid-Morning
Harmony Weather - 2026-09-07 - Morning - Partly Cloudy
70°F 21°C
Partly Cloudy
Mid-Afternoon
Harmony Weather - 2026-09-07 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Harmony Weather - 2026-09-07 - Evening - Sunny
79°F 26°C
Sunny
Warm temperatures up to 86°F 30°C, cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SE to the E at 13 mph 20 km/h. Gusts up to 21 mph 33 km/h.

Tuesday, September 8, 2026

Mid-Morning
Harmony Weather - 2026-09-08 - Morning - Cloudy
76°F 24°C
Cloudy
Mid-Afternoon
Harmony Weather - 2026-09-08 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Harmony Weather - 2026-09-08 - Evening - Sunny
98°F 37°C
Sunny
Scorching hot near 101°F 38°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.

Wednesday, September 9, 2026

Mid-Morning
Harmony Weather - 2026-09-09 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-09 - Afternoon - Partly Cloudy
101°F 38°C
Partly Cloudy
Early-Evening
Harmony Weather - 2026-09-09 - Evening - Sunny
91°F 33°C
Sunny
Sweltering heat reaching 101°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the ENE at 10 mph 15 km/h.

Thursday, September 10, 2026

Mid-Morning
Harmony Weather - 2026-09-10 - Morning - Partly Cloudy
82°F 28°C
Partly Cloudy
Mid-Afternoon
Harmony Weather - 2026-09-10 - Afternoon - Sunny
94°F 35°C
Sunny
Early-Evening
Harmony Weather - 2026-09-10 - Evening - Cloudy
86°F 31°C
Cloudy
Sizzling hot near 94°F 35°C with a heat index reaching 97°F 36°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds picking up from NE at 3 mph 5 km/h to ESE at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Friday, September 11, 2026

Mid-Morning
Harmony Weather - 2026-09-11 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Harmony Weather - 2026-09-11 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Harmony Weather - 2026-09-11 - Evening - Sunny
80°F 26°C
Sunny
Quite warm around 86°F 30°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the E at 14 mph 23 km/h. Gusts up to 28 mph 45 km/h.

Saturday, September 12, 2026

Mid-Morning
Harmony Weather - 2026-09-12 - Morning - Partly Cloudy
76°F 24°C
Partly Cloudy
Mid-Afternoon
Harmony Weather - 2026-09-12 - Afternoon - Partly Cloudy
99°F 37°C
Partly Cloudy
Early-Evening
Harmony Weather - 2026-09-12 - Evening - Sunny
91°F 33°C
Sunny
Hot temperatures near 99°F 37°C, partly cloudy throughout the day, with lower humidity and steady pressure. Winds swinging from the SE to the ESE at 10 mph 16 km/h.

Sunday, September 13, 2026

Mid-Morning
Harmony Weather - 2026-09-13 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-13 - Afternoon - Sunny
105°F 41°C
Sunny
Early-Evening
Harmony Weather - 2026-09-13 - Evening - Partly Cloudy
97°F 37°C
Partly Cloudy
Sweltering heat reaching 105°F 41°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the SSW to the SW at 11 mph 18 km/h.

Monday, September 14, 2026

Mid-Morning
Harmony Weather - 2026-09-14 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-14 - Afternoon - Scattered Showers
89°F 32°C
Scattered Showers
Early-Evening
Harmony Weather - 2026-09-14 - Evening - Cloudy
85°F 30°C
Cloudy
Quite warm reaching 89°F 32°C, feeling like 92°F 33°C during peak afternoon, scattered downpours possible, with steady humidity and barometric pressure falling. Winds turning from the SW to the S at 9 mph 14 km/h. Gusts up to 21 mph 34 km/h.

Tuesday, September 15, 2026

Mid-Morning
Harmony Weather - 2026-09-15 - Morning - Light Showers
83°F 28°C
Light Showers
Mid-Afternoon
Harmony Weather - 2026-09-15 - Afternoon - Partly Cloudy
101°F 39°C
Partly Cloudy
Early-Evening
Harmony Weather - 2026-09-15 - Evening - Sunny
89°F 32°C
Sunny
Dangerously hot with a high of 101°F 39°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure. Winds switching from the WSW to the NNE at 10 mph 16 km/h.

Wednesday, September 16, 2026

Mid-Morning
Harmony Weather - 2026-09-16 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Harmony Weather - 2026-09-16 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Harmony Weather - 2026-09-16 - Evening - Sunny
86°F 30°C
Sunny
Sizzling hot with 93°F 34°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds moving from the ENE to the E at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.

Thursday, September 17, 2026

Mid-Morning
Harmony Weather - 2026-09-17 - Morning - Overcast
75°F 24°C
Overcast
Mid-Afternoon
Harmony Weather - 2026-09-17 - Afternoon - Overcast
94°F 35°C
Overcast
Early-Evening
Harmony Weather - 2026-09-17 - Evening - Overcast
87°F 31°C
Overcast
Hot temperatures near 94°F 35°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the E to the ESE at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.

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Weather by the Numbers

Fri, 4th
Harmony IL Weather - Friday, Sep 4, 2026 - Overcast
Hi: 102°F 39°C
Lo: 77°F 25°C
Sunrise 06:35 AM
Sunset 07:32 PM
Wind WSW 9 mph15 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 32%
Sat, 5th
Harmony IL Weather - Saturday, Sep 5, 2026 - Overcast
Hi: 98°F 37°C
Lo: 76°F 24°C
Sunrise 06:36 AM
Sunset 07:30 PM
Wind NNE 6 mph10 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 38%
Sun, 6th
Harmony IL Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 87°F 31°C
Lo: 69°F 20°C
Sunrise 06:37 AM
Sunset 07:28 PM
Wind E 11 mph17 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 11% *
Humidity 50%
Mon, 7th
Harmony IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 86°F 30°C
Lo: 68°F 20°C
Sunrise 06:38 AM
Sunset 07:27 PM
Wind ESE 11 mph18 km/h
Dew Point 56°F13°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 42%
Tue, 8th
Harmony IL Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 103°F 39°C
Lo: 67°F 20°C
Sunrise 06:39 AM
Sunset 07:25 PM
Wind S 13 mph21 km/h
Dew Point 54°F12°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 27%
Wed, 9th
Harmony IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 102°F 39°C
Lo: 81°F 27°C
Sunrise 06:40 AM
Sunset 07:23 PM
Wind NW 7 mph12 km/h
Dew Point 58°F15°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 28%
Thu, 10th
Harmony IL Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 95°F 35°C
Lo: 77°F 25°C
Sunrise 06:40 AM
Sunset 07:22 PM
Wind NNE 3 mph5 km/h
Dew Point 62°F17°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 40%
Fri, 11th
Harmony IL Weather - Friday, Sep 11, 2026 - Overcast
Hi: 89°F 32°C
Lo: 69°F 21°C
Sunrise 06:41 AM
Sunset 07:20 PM
Wind ESE 14 mph23 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 4% *
Humidity 47%
Sat, 12th
Harmony IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 102°F 39°C
Lo: 67°F 20°C
Sunrise 06:42 AM
Sunset 07:18 PM
Wind SE 10 mph16 km/h
Dew Point 57°F14°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 36%
Sun, 13th
Harmony IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 105°F 41°C
Lo: 78°F 26°C
Sunrise 06:43 AM
Sunset 07:17 PM
Wind SW 13 mph20 km/h
Dew Point 55°F13°C
uv Index 9
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 23%
Mon, 14th
Harmony IL Weather - Monday, Sep 14, 2026 - Cloudy
Hi: 90°F 32°C
Lo: 78°F 25°C
Sunrise 06:44 AM
Sunset 07:15 PM
Wind WSW 16 mph25 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 17% *
Humidity 42%
Tue, 15th
Harmony IL Weather - Tuesday, Sep 15, 2026 - Light Rain Shower
Hi: 102°F 39°C
Lo: 78°F 25°C
Sunrise 06:45 AM
Sunset 07:13 PM
Wind W 11 mph18 km/h
Dew Point 57°F14°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 17% *
Humidity 30%
Wed, 16th
Harmony IL Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 94°F 34°C
Lo: 70°F 21°C
Sunrise 06:46 AM
Sunset 07:12 PM
Wind ENE 9 mph15 km/h
Dew Point 47°F8°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 0% *
Humidity 24%
Thu, 17th
Harmony IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 96°F 36°C
Lo: 74°F 23°C
Sunrise 06:47 AM
Sunset 07:10 PM
Wind ESE 11 mph17 km/h
Dew Point 58°F15°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 10% *
Humidity 40%
* POP = Probability of Precipitation. Data for 12:00 PM.