Porterville, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Porterville, IL in one place.
Sunny. High near 63, with temperatures falling to around 57 in the afternoon. West southwest wind 1 to 6 mph.
Local Weather Overview
This forecast page for Porterville, 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 8:01 AM CST.
The active forecast window currently covers Nov 9 to Nov 14, 2026 for Porterville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 14, 2026
- Latest sync
- Nov 8, 2026 8:01 AM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Porterville
Tuesday looks like the warmest upcoming period in Porterville at 68 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Thursday at about 15 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 8, 2026 8:01 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 39. Southwest wind around 5 mph.
Sunny. High near 68, with temperatures falling to around 62 in the afternoon. West southwest wind around 7 mph.
Mostly clear, with a low around 41. West northwest wind around 3 mph.
A chance of rain after noon. Partly sunny, with a high near 65. West northwest wind 1 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain before midnight. Mostly cloudy, with a low around 39.
Mostly sunny, with a high near 53.
Partly cloudy, with a low around 31.
Sunny, with a high near 49.
Partly cloudy, with a low around 30.
Sunny, with a high near 55.
Mostly clear, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Nov 9
|
Sunny
|
63°F |
1 to 6 mph
WSW
|
|
Monday Night
Nov 9
|
Clear
|
39°F |
5 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
68°F |
7 mph
WSW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
41°F |
3 mph
WNW
|
|
Veterans Day
Nov 11
|
Partly Sunny then Chance Light Rain
|
65°F |
1 to 7 mph
WNW
|
|
Wednesday Night
Nov 11
|
Slight Chance Light Rain then Mostly Cloudy
|
39°F |
6 to 13 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
53°F |
15 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
31°F |
8 to 13 mph
N
|
|
Friday
Nov 13
|
Sunny
|
49°F |
7 to 12 mph
NNW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
30°F |
5 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
55°F |
3 to 8 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
34°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Porterville.