Jamestown, WI Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, WI in one place.
Mostly clear, with a low around 68. West wind around 2 mph.
Local Weather Overview
This forecast page for Jamestown, 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 14, 2026 3:16 AM CDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Jamestown, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:16 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Tuesday looks like the warmest upcoming period in Jamestown at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 7 to 12 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:16 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny. High near 93, with temperatures falling to around 91 in the afternoon. Heat index values as high as 96. Northwest wind around 5 mph.
Mostly clear, with a low around 70. Heat index values as high as 98. Northwest wind around 2 mph.
Sunny, with a high near 93. Heat index values as high as 97. Northwest wind 0 to 3 mph.
Mostly clear, with a low around 72. West wind around 2 mph.
Sunny, with a high near 92. Southwest wind around 3 mph.
Mostly clear, with a low around 72. South wind around 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Northwest wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 68. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 86. East wind around 9 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 65. Southeast wind around 7 mph.
Mostly sunny, with a high near 83. West wind 7 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Mostly Clear
|
68°F |
2 mph
W
|
|
Tuesday
Jul 14
|
Sunny
|
93°F |
5 mph
NW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
2 mph
NW
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
0 to 3 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
2 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
3 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
5 mph
S
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
5 to 10 mph
S
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
6 to 9 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
7 to 12 mph
NW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
68°F |
7 to 10 mph
NE
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms then Sunny
|
86°F |
9 mph
E
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
65°F |
7 mph
SE
|
|
Monday
Jul 20
|
Mostly Sunny
|
83°F |
7 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.