Jamestown, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, WI in one place.
Mostly sunny, with a high near 74. Northwest wind 5 to 10 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: Oct 13, 2026 10:24 AM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Jamestown, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 10:24 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Today looks like the warmest upcoming period in Jamestown at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 16 to 23 mph NW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:24 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
A chance of showers and thunderstorms between 7pm and 3am. Mostly cloudy, with a low around 57. North wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 68. North wind 6 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Northeast wind 5 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Mostly cloudy, with a high near 61. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers before 1am. Mostly cloudy, with a low around 46. Northwest wind 7 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 55. Northwest wind 16 to 23 mph, with gusts as high as 33 mph.
Areas of frost after 4am. Clear, with a low around 35. Northwest wind 1 to 12 mph, with gusts as high as 20 mph.
Areas of frost before 8am. Sunny, with a high near 57. Southwest wind 1 to 10 mph.
Clear, with a low around 41. South wind 7 to 10 mph, with gusts as high as 18 mph.
Sunny, with a high near 63. South wind 12 to 16 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 47. South wind 6 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 65. South wind around 6 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 49. South wind around 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Mostly Sunny
|
74°F |
5 to 10 mph
NW
|
|
Tonight
Oct 13
|
Chance Showers And Thunderstorms
|
57°F |
7 mph
N
|
|
Wednesday
Oct 14
|
Partly Sunny
|
68°F |
6 to 9 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Slight Chance Rain Showers
|
52°F |
5 to 9 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers
|
61°F |
6 to 9 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers
|
46°F |
7 to 18 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
55°F |
16 to 23 mph
NW
|
|
Friday Night
Oct 16
|
Clear then Areas Of Frost
|
35°F |
1 to 12 mph
NW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
57°F |
1 to 10 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
41°F |
7 to 10 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
12 to 16 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy then Slight Chance Rain Showers
|
47°F |
6 to 12 mph
S
|
|
Monday
Oct 19
|
Slight Chance Rain Showers
|
65°F |
6 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
49°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.