Grinnell, KS Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grinnell, KS in one place.
Sunny, with a high near 93. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Grinnell, KS 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 4:41 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Grinnell, KS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:41 PM CDT
- Forecast office
- GLD
- Source
- NOAA / NWS
Daily Outlook
This Week in Grinnell
Monday looks like the warmest upcoming period in Grinnell at 99 degrees F.
Thursday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 20 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 4:41 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GLD
- Radar station
- KGLD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67. Southeast wind 5 to 10 mph.
Sunny, with a high near 95. Southeast wind 0 to 10 mph.
Mostly clear, with a low around 70.
Sunny, with a high near 99.
Mostly clear, with a low around 72.
Sunny, with a high near 94.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90.
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
93°F |
0 to 5 mph
SE
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
67°F |
5 to 10 mph
SE
|
|
Sunday
Jul 19
|
Sunny
|
95°F |
0 to 10 mph
SE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
70°F |
5 to 10 mph
S
|
|
Monday
Jul 20
|
Sunny
|
99°F |
5 mph
S
|
|
Monday Night
Jul 20
|
Mostly Clear
|
72°F |
5 to 10 mph
S
|
|
Tuesday
Jul 21
|
Sunny
|
94°F |
10 to 20 mph
NE
|
|
Tuesday Night
Jul 21
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
67°F |
10 to 15 mph
E
|
|
Wednesday
Jul 22
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
91°F |
10 to 15 mph
E
|
|
Wednesday Night
Jul 22
|
Slight Chance Showers And Thunderstorms
|
67°F |
15 mph
SE
|
|
Thursday
Jul 23
|
Chance Showers And Thunderstorms
|
90°F |
10 mph
SE
|
|
Thursday Night
Jul 23
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grinnell.