Jamestown, MI Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, MI in one place.
A slight chance of showers and thunderstorms between 8am and 9am, then a chance of showers and thunderstorms between 9am and 1pm. Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. West wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Jamestown, MI 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 17, 2026 12:47 PM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Jamestown, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 12:47 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Jamestown
Saturday looks like the warmest upcoming period in Jamestown at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 13 to 18 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 12:47 PM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 60. North wind 3 to 15 mph, with gusts as high as 28 mph.
Sunny, with a high near 84. North northeast wind 3 to 8 mph.
Mostly clear, with a low around 63.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 86.
A slight chance of rain showers before 8pm, then showers and thunderstorms. Partly cloudy, with a low around 69.
Showers and thunderstorms likely before 8am. Mostly sunny, with a high near 81.
Mostly clear, with a low around 59.
Sunny, with a high near 77.
Mostly clear, with a low around 56.
Sunny, with a high near 79.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
86°F |
10 to 16 mph
W
|
|
Saturday Night
Jul 18
|
Clear
|
60°F |
3 to 15 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
84°F |
3 to 8 mph
NNE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
63°F |
0 to 8 mph
WSW
|
|
Monday
Jul 20
|
Partly Sunny then Slight Chance Rain Showers
|
86°F |
5 to 15 mph
SSW
|
|
Monday Night
Jul 20
|
Showers And Thunderstorms
|
69°F |
15 mph
SW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely then Mostly Sunny
|
81°F |
13 to 18 mph
W
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
59°F |
7 to 18 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
77°F |
7 to 15 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
56°F |
2 to 14 mph
WNW
|
|
Thursday
Jul 23
|
Sunny
|
79°F |
2 to 10 mph
W
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
58°F |
2 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jamestown.