Chambersburg, IL 14 Day Weather - 62323 WeatherWorld.com
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Chambersburg, IL Weather Forecast


Chambersburg, IL Weather Forecast Dated: 116 AM Sun Sep 20 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and a stable pattern will dominate.
Sunday, September 20, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
70°F 21°C
Nearby Thunderstorms
Warm and summery around 82°F 28°C (feels like 85°F 30°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds picking up from NNW at 4 mph 7 km/h to NE at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
65°F 18°C
Overcast
Comfortable with temperatures reaching 68°F 20°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the NE to the NNE at 10 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
62°F 16°C
Overcast
Early-Evening
59°F 15°C
Overcast
Comfortable at 62°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the NNE at 10 mph 15 km/h.
Wednesday, September 23, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NNE at 11 mph 17 km/h.
Thursday, September 24, 2026
Mid-Morning
60°F 16°C
Light Fog
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
67°F 20°C
Partly Cloudy
Mild with a high of 73°F 23°C, partly cloudy throughout the day, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 9 mph 15 km/h.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
56°F 14°C
Light Showers
Mildly cool near 61°F 16°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds turning from the E to the ENE at 11 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Saturday, September 26, 2026
Mid-Morning
61°F 16°C
Light Showers
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds out of the E at 7 mph 11 km/h.
Sunday, September 27, 2026
Mid-Morning
57°F 14°C
Light Fog
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NE to the ESE at 6 mph 10 km/h.
Monday, September 28, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
69°F 21°C
Overcast
Mild temperatures up to 75°F 24°C, overcast throughout the day, with steady humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
63°F 17°C
Light Showers
Mildly cool near 67°F 19°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
60°F 15°C
Fog
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
61°F 16°C
Scattered Showers
Pleasant near 68°F 20°C, scattered downpours possible, with lower humidity and steady pressure. Winds NNE at 11 mph 17 km/h.
Thursday, October 1, 2026
Mid-Morning
58°F 15°C
Fog
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
63°F 18°C
Overcast
Comfortable with temperatures reaching 68°F 20°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the ESE at 9 mph 14 km/h.
Friday, October 2, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
64°F 18°C
Sunny
Refreshing around 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the ESE to the NNE at 11 mph 17 km/h.
Saturday, October 3, 2026
Mid-Morning
63°F 17°C
Light Fog
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 73°F 23°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the NE to the SE at 9 mph 15 km/h.
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