Posen, IL Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Posen, IL in one place.
Partly cloudy, with a low around 38. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Posen, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 8, 2026 3:19 AM CST.
The active forecast window currently covers Nov 8 to Nov 14, 2026 for Posen, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 3:19 AM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Posen
Tuesday looks like the warmest upcoming period in Posen at 62 degrees F.
Thursday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Overnight at about 10 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 8, 2026 3:19 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 59, with temperatures falling to around 56 in the afternoon. West wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 39. West northwest wind 5 to 10 mph.
Mostly sunny, with a high near 58. West southwest wind 5 to 10 mph.
Mostly clear, with a low around 44. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 62.
Partly cloudy, with a low around 40.
A slight chance of rain showers after noon. Partly sunny, with a high near 55.
A chance of rain. Mostly cloudy, with a low around 39.
A chance of rain. Partly sunny, with a high near 48.
A chance of rain before midnight, then a chance of rain and snow. Mostly cloudy, with a low around 34.
A chance of rain and snow. Partly sunny, with a high near 46.
A slight chance of rain and snow before midnight. Partly cloudy, with a low around 34.
Mostly sunny, with a high near 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 8
|
Partly Cloudy
|
38°F |
10 to 15 mph
SW
|
|
Sunday
Nov 8
|
Sunny
|
59°F |
10 to 15 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
39°F |
5 to 10 mph
WNW
|
|
Monday
Nov 9
|
Mostly Sunny
|
58°F |
5 to 10 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
44°F |
5 to 10 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
62°F |
5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
40°F |
0 to 5 mph
WNW
|
|
Veterans Day
Nov 11
|
Partly Sunny then Slight Chance Rain Showers
|
55°F |
0 to 5 mph
N
|
|
Wednesday Night
Nov 11
|
Chance Rain
|
39°F |
5 to 10 mph
N
|
|
Thursday
Nov 12
|
Chance Rain
|
48°F |
10 to 15 mph
N
|
|
Thursday Night
Nov 12
|
Chance Rain then Chance Rain And Snow
|
34°F |
10 to 15 mph
N
|
|
Friday
Nov 13
|
Chance Rain And Snow
|
46°F |
5 to 10 mph
NNW
|
|
Friday Night
Nov 13
|
Slight Chance Rain And Snow then Partly Cloudy
|
34°F |
5 mph
NW
|
|
Saturday
Nov 14
|
Mostly Sunny
|
51°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Posen.