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Freeport IL Weather - Clear - 91°F
Clear
91°F
Updated 4:46 pm
Feels Like 99°F
Humidity 61%
Wind WSW 6 mph
Barometer  29.94 in
Dew Point 77°F
Freeport IL Weather - Clear - 33°C
Clear
33°C
Updated 4:46 pm
Feels Like 37°C
Humidity 61%
Wind WSW 10 km/h
Barometer  101.3 kPa
Dew Point 25°C
Freeport, IL Weather and Current Conditionsfreeport il weather forecast

Freeport, IL Weather Forecast

Freeport Illinois WeatherFreeport, Illinois Weather Weather Forecast
14 day API weather forecast for Freeport, Illinois. Note: The 7-day weather forecast for Freeport, 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.
Freeport, IL Weather Forecast Dated: 446 PM Wed Sep 02 2026 (Freeport Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Wednesday, September 2, 2026

Mid-Morning
Freeport Weather - 2026-09-02 - Morning - Overcast
82°F 28°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-02 - Afternoon - Sunny
99°F 37°C
Sunny
Early-Evening
Freeport Weather - 2026-09-02 - Evening - Sunny
88°F 31°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 106°F 41°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 10 mph 15 km/h. Gusts up to 20 mph 33 km/h.

Thursday, September 3, 2026

Mid-Morning
Freeport Weather - 2026-09-03 - Morning - Light Rain Shower
74°F 23°C
Light Showers
Mid-Afternoon
Freeport Weather - 2026-09-03 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Freeport Weather - 2026-09-03 - Evening - Thundery Outbreaks In Nearby
81°F 27°C
Nearby Thunderstorms
Quite warm reaching 88°F 31°C, feeling like 92°F 34°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the SSE to the SSW at 6 mph 9 km/h.

Friday, September 4, 2026

Mid-Morning
Freeport Weather - 2026-09-04 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-04 - Afternoon - Thundery Outbreaks In Nearby
90°F 32°C
Nearby Thunderstorms
Early-Evening
Freeport Weather - 2026-09-04 - Evening - Sunny
85°F 30°C
Sunny
Very hot with a high of 90°F 32°C, feeling closer to 96°F 36°C in the humidity, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds moving from the SSW to the S at 5 mph 9 km/h.

Saturday, September 5, 2026

Mid-Morning
Freeport Weather - 2026-09-05 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-05 - Afternoon - Sunny
89°F 32°C
Sunny
Early-Evening
Freeport Weather - 2026-09-05 - Evening - Sunny
80°F 27°C
Sunny
Warm and summery around 89°F 32°C (feels like 95°F 35°C), overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the W to the E at 9 mph 15 km/h.

Sunday, September 6, 2026

Mid-Morning
Freeport Weather - 2026-09-06 - Morning - Sunny
70°F 21°C
Sunny
Mid-Afternoon
Freeport Weather - 2026-09-06 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Freeport Weather - 2026-09-06 - Evening - Sunny
72°F 23°C
Sunny
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 shifting from the ESE to the E at 9 mph 14 km/h.

Monday, September 7, 2026

Mid-Morning
Freeport Weather - 2026-09-07 - Morning - Overcast
67°F 19°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-07 - Afternoon - Partly Cloudy
76°F 25°C
Partly Cloudy
Early-Evening
Freeport Weather - 2026-09-07 - Evening - Overcast
74°F 23°C
Overcast
Pleasant near 76°F 25°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSE at 11 mph 18 km/h.

Tuesday, September 8, 2026

Mid-Morning
Freeport Weather - 2026-09-08 - Morning - Overcast
75°F 24°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-08 - Afternoon - Sunny
93°F 34°C
Sunny
Early-Evening
Freeport Weather - 2026-09-08 - Evening - Overcast
87°F 31°C
Overcast
Sizzling hot near 93°F 34°C with a heat index reaching 96°F 36°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the SSW to the E at 7 mph 11 km/h.

Wednesday, September 9, 2026

Mid-Morning
Freeport Weather - 2026-09-09 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-09 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Freeport Weather - 2026-09-09 - Evening - Partly Cloudy
81°F 27°C
Partly Cloudy
Quite warm reaching 82°F 28°C, feeling like 85°F 30°C during peak afternoon, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Thursday, September 10, 2026

Mid-Morning
Freeport Weather - 2026-09-10 - Morning - Light Rain Shower
69°F 21°C
Light Showers
Mid-Afternoon
Freeport Weather - 2026-09-10 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Freeport Weather - 2026-09-10 - Evening - Overcast
72°F 22°C
Overcast
Mild temperatures up to 79°F 26°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds moving from the NNE to the SE at 7 mph 12 km/h.

Friday, September 11, 2026

Mid-Morning
Freeport Weather - 2026-09-11 - Morning - Mist
66°F 19°C
Light Fog
Mid-Afternoon
Freeport Weather - 2026-09-11 - Afternoon - Patchy Rain Nearby
78°F 26°C
Scattered Showers
Early-Evening
Freeport Weather - 2026-09-11 - Evening - Patchy Rain Nearby
77°F 25°C
Scattered Showers
Mild with a high of 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds SSE at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.

Saturday, September 12, 2026

Mid-Morning
Freeport Weather - 2026-09-12 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-12 - Afternoon - Sunny
92°F 34°C
Sunny
Early-Evening
Freeport Weather - 2026-09-12 - Evening - Sunny
86°F 30°C
Sunny
Hot and sweltering around 92°F 34°C (heat index 95°F 35°C), partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SSW to the SW at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.

Sunday, September 13, 2026

Mid-Morning
Freeport Weather - 2026-09-13 - Morning - Light Rain Shower
72°F 22°C
Light Showers
Mid-Afternoon
Freeport Weather - 2026-09-13 - Afternoon - Patchy Rain Nearby
73°F 23°C
Scattered Showers
Early-Evening
Freeport Weather - 2026-09-13 - Evening - Patchy Rain Nearby
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 73°F 23°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds tapering down from SW 17 mph 27 km/h to WNW 6 mph 11 km/h.

Monday, September 14, 2026

Mid-Morning
Freeport Weather - 2026-09-14 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Freeport Weather - 2026-09-14 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Freeport Weather - 2026-09-14 - Evening - Overcast
68°F 20°C
Overcast
Enjoyable around 76°F 24°C, overcast throughout the day, with increasing humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Freeport Weather - 2026-09-15 - Morning - Sunny
67°F 20°C
Sunny
Mid-Afternoon
Freeport Weather - 2026-09-15 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Freeport Weather - 2026-09-15 - Evening - Sunny
71°F 22°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds WNW at 11 mph 17 km/h.

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