Pontiac, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Pontiac, IL in one place.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 54. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Pontiac, 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: Oct 15, 2026 10:32 PM CDT.
The active forecast window currently covers Oct 16 to Oct 22, 2026 for Pontiac, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 10:32 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Pontiac
Thursday looks like the warmest upcoming period in Pontiac at 78 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:32 PM CDT
- 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
A chance of rain showers before 7pm, then areas of frost. Mostly clear. Low around 34, with temperatures rising to around 36 overnight. North northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Widespread frost before 9am. Sunny, with a high near 59. West northwest wind 0 to 5 mph.
Areas of frost after 3am. Clear, with a low around 36. South southwest wind 0 to 5 mph, with gusts as high as 15 mph.
Areas of frost before 8am. Sunny, with a high near 67.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 75.
Mostly clear, with a low around 44.
Sunny, with a high near 76.
Mostly clear, with a low around 49.
Sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Mostly Cloudy then Chance Rain Showers
|
54°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Areas Of Frost
|
34°F |
10 to 20 mph
NNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
0 to 5 mph
WNW
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
36°F |
0 to 5 mph
SSW
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
67°F |
5 to 10 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
0 to 5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
71°F |
0 to 5 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
0 mph
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
75°F |
0 mph
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
44°F |
0 mph
|
|
Wednesday
Oct 21
|
Sunny
|
76°F |
0 to 5 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
49°F |
0 mph
|
|
Thursday
Oct 22
|
Sunny
|
78°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pontiac.