Waltham, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Waltham, IL in one place.
A slight chance of rain showers. Mostly cloudy. High near 64, with temperatures falling to around 61 in the afternoon. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Waltham, 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 1, 2026 12:05 AM CDT.
The active forecast window currently covers Nov 1 to Nov 7, 2026 for Waltham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 1 to Nov 7, 2026
- Latest sync
- Nov 1, 2026 12:05 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Waltham
Tuesday looks like the warmest upcoming period in Waltham at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph SSE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 1, 2026 12:05 AM 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
Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph.
A chance of rain showers. Mostly cloudy, with a high near 68. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Rain showers likely. Cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 80%.
Rain showers likely. Mostly cloudy, with a low around 53.
A chance of rain showers. Partly sunny, with a high near 66.
A slight chance of rain showers. Mostly cloudy, with a low around 47.
A slight chance of rain showers. Partly sunny, with a high near 63.
A chance of rain showers. Mostly cloudy, with a low around 46.
A slight chance of rain showers. Partly sunny, with a high near 63.
Mostly cloudy, with a low around 42.
A slight chance of rain showers before noon. Partly sunny, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 1
|
Slight Chance Rain Showers
|
64°F |
5 mph
SE
|
|
Sunday Night
Nov 1
|
Mostly Cloudy
|
53°F |
5 to 10 mph
SE
|
|
Monday
Nov 2
|
Chance Rain Showers
|
68°F |
10 to 15 mph
SSE
|
|
Monday Night
Nov 2
|
Rain Showers Likely
|
60°F |
15 mph
S
|
|
Tuesday
Nov 3
|
Rain Showers
|
72°F |
15 mph
S
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
53°F |
5 to 10 mph
SSW
|
|
Wednesday
Nov 4
|
Chance Rain Showers
|
66°F |
5 to 10 mph
SW
|
|
Wednesday Night
Nov 4
|
Slight Chance Rain Showers
|
47°F |
5 mph
WNW
|
|
Thursday
Nov 5
|
Slight Chance Rain Showers
|
63°F |
5 mph
N
|
|
Thursday Night
Nov 5
|
Chance Rain Showers
|
46°F |
5 mph
N
|
|
Friday
Nov 6
|
Slight Chance Rain Showers
|
63°F |
5 to 10 mph
NNE
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
42°F |
5 mph
N
|
|
Saturday
Nov 7
|
Slight Chance Rain Showers then Partly Sunny
|
62°F |
5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waltham.