Northeim, WI Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Northeim, WI in one place.
A slight chance of rain showers between 11am and noon. Mostly sunny, with a high near 80. Heat index values as high as 79. South southwest wind 7 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Northeim, WI 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 24, 2026 6:15 PM CDT.
The active forecast window currently covers Jul 25 to Jul 30, 2026 for Northeim, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 25 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 6:15 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Northeim
Monday looks like the warmest upcoming period in Northeim at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 7 to 14 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 6:15 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 70. Heat index values as high as 78. Southwest wind 5 to 12 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. South southwest wind 3 to 12 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 64.
Sunny, with a high near 82.
Mostly clear, with a low around 66.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 83. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 25
|
Slight Chance Rain Showers then Mostly Sunny
|
80°F |
7 to 14 mph
SSW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
70°F |
5 to 12 mph
SW
|
|
Sunday
Jul 26
|
Mostly Sunny then Chance Showers And Thunderstorms
|
86°F |
3 to 12 mph
SSW
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
71°F |
7 to 10 mph
SW
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms
|
90°F |
7 to 14 mph
SSE
|
|
Monday Night
Jul 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
8 to 12 mph
N
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
81°F |
12 mph
NNE
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
64°F |
3 to 9 mph
NNE
|
|
Wednesday
Jul 29
|
Sunny
|
82°F |
5 to 12 mph
NE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
66°F |
3 to 10 mph
NE
|
|
Thursday
Jul 30
|
Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
5 to 10 mph
E
|
|
Thursday Night
Jul 30
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
67°F |
5 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Northeim.