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Sidney IL Weather - Mostly Clear - 84°F
Mostly Clear
84°F
Updated 12:42 pm
Feels Like 91°F
Humidity 62%
Wind VRB 5 mph
Barometer  29.92 in
Dew Point 70°F
Sidney IL Weather - Mostly Clear - 29°C
Mostly Clear
29°C
Updated 12:42 pm
Feels Like 33°C
Humidity 62%
Wind VRB 8 km/h
Barometer  101.3 kPa
Dew Point 21°C
Sidney, IL Weather and Current Conditionssidney il weather forecast

Sidney, IL Weather Forecast

Sidney Illinois WeatherSidney, Illinois Weather Weather Forecast
14 day API weather forecast for Sidney, Illinois. Note: The 7-day weather forecast for Sidney, IL is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Sidney, IL Weather Forecast Dated: 1242 PM Sat Sep 12 2026
Expect a mild stretch 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 12, 2026

Mid-Morning
Sidney Weather - 2026-09-12 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-12 - Afternoon - Sunny
92°F 34°C
Sunny
Early-Evening
Sidney Weather - 2026-09-12 - Evening - Sunny
79°F 26°C
Sunny
Sizzling hot near 92°F 34°C with a heat index reaching 98°F 36°C, sunny throughout the day, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Sidney Weather - 2026-09-13 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-13 - Afternoon - Light Showers
76°F 24°C
Light Showers
Early-Evening
Sidney Weather - 2026-09-13 - Evening - Cloudy
70°F 22°C
Cloudy
Comfortable with temperatures reaching 76°F 24°C, clouds building with afternoon showers likely, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 9 mph 15 km/h. Gusts up to 20 mph 32 km/h.

Monday, September 14, 2026

Mid-Morning
Sidney Weather - 2026-09-14 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-14 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Sidney Weather - 2026-09-14 - Evening - Cloudy
72°F 23°C
Cloudy
Enjoyable around 69°F 21°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ESE at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.

Tuesday, September 15, 2026

Mid-Morning
Sidney Weather - 2026-09-15 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-15 - Afternoon - Partly Cloudy
91°F 33°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-09-15 - Evening - Nearby Thunderstorms
85°F 29°C
Nearby Thunderstorms
Sizzling hot near 91°F 33°C with a heat index reaching 94°F 35°C, periods of heavy thunderstorms, with steady humidity and steady pressure. Winds moving from the SSW to the ESE at 6 mph 9 km/h.

Wednesday, September 16, 2026

Mid-Morning
Sidney Weather - 2026-09-16 - Morning - Cloudy
74°F 23°C
Cloudy
Mid-Afternoon
Sidney Weather - 2026-09-16 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Sidney Weather - 2026-09-16 - Evening - Overcast
75°F 24°C
Overcast
Mild with a high of 78°F 26°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds out of the NE at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Sidney Weather - 2026-09-17 - Morning - Light Showers
70°F 21°C
Light Showers
Mid-Afternoon
Sidney Weather - 2026-09-17 - Afternoon - Partly Cloudy
78°F 26°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-09-17 - Evening - Overcast
78°F 25°C
Overcast
Pleasant near 78°F 26°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds shifting from the NNE to the SW at 8 mph 13 km/h.

Friday, September 18, 2026

Mid-Morning
Sidney Weather - 2026-09-18 - Morning - Scattered Showers
79°F 26°C
Scattered Showers
Mid-Afternoon
Sidney Weather - 2026-09-18 - Afternoon - Scattered Showers
91°F 33°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-09-18 - Evening - Partly Cloudy
81°F 27°C
Partly Cloudy
Sizzling hot near 91°F 33°C with a heat index reaching 94°F 35°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds SW at 4 mph 7 km/h.

Saturday, September 19, 2026

Mid-Morning
Sidney Weather - 2026-09-19 - Morning - Light Fog
67°F 19°C
Light Fog
Mid-Afternoon
Sidney Weather - 2026-09-19 - Afternoon - Scattered Showers
68°F 20°C
Scattered Showers
Early-Evening
Sidney Weather - 2026-09-19 - Evening - Scattered Showers
63°F 17°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the WNW to the NNE at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.

Sunday, September 20, 2026

Mid-Morning
Sidney Weather - 2026-09-20 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-20 - Afternoon - Sunny
67°F 20°C
Sunny
Early-Evening
Sidney Weather - 2026-09-20 - Evening - Sunny
62°F 17°C
Sunny
Refreshing around 67°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NE at 15 mph 24 km/h.

Monday, September 21, 2026

Mid-Morning
Sidney Weather - 2026-09-21 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-21 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Sidney Weather - 2026-09-21 - Evening - Sunny
61°F 16°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the NE to the ENE at 6 mph 10 km/h.

Tuesday, September 22, 2026

Mid-Morning
Sidney Weather - 2026-09-22 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-22 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Sidney Weather - 2026-09-22 - Evening - Sunny
68°F 20°C
Sunny
Pleasant near 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Wednesday, September 23, 2026

Mid-Morning
Sidney Weather - 2026-09-23 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-23 - Afternoon - Sunny
78°F 25°C
Sunny
Early-Evening
Sidney Weather - 2026-09-23 - Evening - Sunny
68°F 20°C
Sunny
Comfortable with temperatures reaching 78°F 25°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the WSW to the NNW at 10 mph 15 km/h. Gusts up to 22 mph 35 km/h.

Thursday, September 24, 2026

Mid-Morning
Sidney Weather - 2026-09-24 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Sidney Weather - 2026-09-24 - Afternoon - Sunny
65°F 18°C
Sunny
Early-Evening
Sidney Weather - 2026-09-24 - Evening - Sunny
60°F 16°C
Sunny
Refreshing around 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the ESE to the E at 7 mph 11 km/h.

Friday, September 25, 2026

Mid-Morning
Sidney Weather - 2026-09-25 - Morning - Overcast
62°F 17°C
Overcast
Mid-Afternoon
Sidney Weather - 2026-09-25 - Afternoon - Partly Cloudy
87°F 31°C
Partly Cloudy
Early-Evening
Sidney Weather - 2026-09-25 - Evening - Sunny
84°F 29°C
Sunny
Warm temperatures up to 87°F 31°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the S to the WSW at 12 mph 19 km/h. Gusts up to 27 mph 43 km/h.

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Weather by the Numbers

Sat, 12th
Sidney IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 92°F 34°C
Lo: 66°F 19°C
Sunrise 06:31 AM
Sunset 07:06 PM
Wind W 4 mph7 km/h
Dew Point 71°F22°C
uv Index 7
Barometric Pressure 29.88 in1012 mb
POP 5% *
Humidity 63%
Sun, 13th
Sidney IL Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 63°F 17°C
Sunrise 06:32 AM
Sunset 07:05 PM
Wind N 6 mph9 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 22% *
Humidity 68%
Mon, 14th
Sidney IL Weather - Monday, Sep 14, 2026 - Overcast
Hi: 73°F 23°C
Lo: 56°F 14°C
Sunrise 06:33 AM
Sunset 07:03 PM
Wind E 9 mph15 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 12% *
Humidity 53%
Tue, 15th
Sidney IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 95°F 35°C
Lo: 71°F 22°C
Sunrise 06:34 AM
Sunset 07:01 PM
Wind WSW 13 mph21 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 38%
Wed, 16th
Sidney IL Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 80°F 27°C
Lo: 70°F 21°C
Sunrise 06:35 AM
Sunset 07:00 PM
Wind N 9 mph15 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 19% *
Humidity 70%
Thu, 17th
Sidney IL Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 83°F 28°C
Lo: 67°F 19°C
Sunrise 06:36 AM
Sunset 06:58 PM
Wind SW 8 mph13 km/h
Dew Point 68°F20°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 25% *
Humidity 80%
Fri, 18th
Sidney IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 93°F 34°C
Lo: 72°F 22°C
Sunrise 06:36 AM
Sunset 06:56 PM
Wind WSW 9 mph14 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 43%
Sat, 19th
Sidney IL Weather - Saturday, Sep 19, 2026 - Light Rain Shower
Hi: 73°F 23°C
Lo: 60°F 16°C
Sunrise 06:37 AM
Sunset 06:55 PM
Wind WNW 11 mph17 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 38% *
Humidity 79%
Sun, 20th
Sidney IL Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 68°F 20°C
Lo: 52°F 11°C
Sunrise 06:38 AM
Sunset 06:53 PM
Wind NE 16 mph25 km/h
Dew Point 47°F9°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 55%
Mon, 21st
Sidney IL Weather - Monday, Sep 21, 2026 - Sunny
Hi: 67°F 19°C
Lo: 52°F 11°C
Sunrise 06:39 AM
Sunset 06:51 PM
Wind NE 10 mph16 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 47%
Tue, 22nd
Sidney IL Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 74°F 23°C
Lo: 51°F 10°C
Sunrise 06:40 AM
Sunset 06:50 PM
Wind SW 1 mph2 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 45%
Wed, 23rd
Sidney IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 78°F 25°C
Lo: 60°F 16°C
Sunrise 06:41 AM
Sunset 06:48 PM
Wind WNW 10 mph16 km/h
Dew Point 53°F12°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 45%
Thu, 24th
Sidney IL Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 66°F 19°C
Lo: 50°F 10°C
Sunrise 06:42 AM
Sunset 06:46 PM
Wind N 8 mph12 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 41%
Fri, 25th
Sidney IL Weather - Friday, Sep 25, 2026 - Overcast
Hi: 90°F 32°C
Lo: 54°F 12°C
Sunrise 06:43 AM
Sunset 06:45 PM
Wind SSW 18 mph29 km/h
Dew Point 46°F8°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 5% *
Humidity 34%
* POP = Probability of Precipitation. Data for 12:00 PM.