Waltham, MN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waltham, MN in one place.
Mostly sunny, with a high near 76. South wind 8 to 15 mph.
Local Weather Overview
This forecast page for Waltham, MN 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: Jul 23, 2026 2:29 PM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Waltham, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 2:29 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Waltham
Sunday looks like the warmest upcoming period in Waltham at 89 degrees F.
Friday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Friday at about 8 to 15 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 2:29 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KMPX
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 63. South wind 12 to 15 mph.
Mostly sunny, with a high near 88. Southwest wind 8 to 12 mph.
Partly cloudy, with a low around 70. Southwest wind around 8 mph.
Mostly sunny, with a high near 89. Southwest wind 9 to 13 mph.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 72. South wind around 14 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 89. West wind around 13 mph. Chance of precipitation is 50%.
Mostly clear, with a low around 67. North wind 5 to 12 mph.
Mostly sunny, with a high near 85. North wind 3 to 7 mph.
Mostly clear, with a low around 65. East wind around 6 mph.
Sunny, with a high near 85. South wind around 7 mph.
Mostly clear, with a low around 64. South wind 3 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Mostly Sunny
|
76°F |
8 to 15 mph
S
|
|
Friday Night
Jul 24
|
Mostly Cloudy
|
63°F |
12 to 15 mph
S
|
|
Saturday
Jul 25
|
Mostly Sunny
|
88°F |
8 to 12 mph
SW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
70°F |
8 mph
SW
|
|
Sunday
Jul 26
|
Mostly Sunny
|
89°F |
9 to 13 mph
SW
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
72°F |
14 mph
S
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms then Sunny
|
89°F |
13 mph
W
|
|
Monday Night
Jul 27
|
Mostly Clear
|
67°F |
5 to 12 mph
N
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
85°F |
3 to 7 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
65°F |
6 mph
E
|
|
Wednesday
Jul 29
|
Sunny
|
85°F |
7 mph
S
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
64°F |
3 to 7 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waltham.
Nearby forecast pages are not available for this location yet.