Cottage Grove, OH Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Cottage Grove, OH in one place.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Cottage Grove, OH 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: Sep 16, 2026 11:40 AM EDT.
The active forecast window currently covers Sep 17 to Sep 22, 2026 for Cottage Grove, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 11:40 AM EDT
- Forecast office
- CLE
- Source
- NOAA / NWS
Daily Outlook
This Week in Cottage Grove
Thursday looks like the warmest upcoming period in Cottage Grove at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Sunday at about 9 mph NW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 11:40 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CLE
- Radar station
- KCLE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 63. North wind 3 to 7 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 76. North wind 5 to 8 mph.
Partly cloudy, with a low around 57.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 80%.
Showers and thunderstorms. Cloudy, with a high near 76. Chance of precipitation is 80%.
A chance of rain showers before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
81°F |
2 to 8 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
63°F |
3 to 7 mph
N
|
|
Friday
Sep 18
|
Mostly Sunny
|
76°F |
5 to 8 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
57°F |
5 to 8 mph
NE
|
|
Saturday
Sep 19
|
Partly Sunny then Chance Showers And Thunderstorms
|
77°F |
6 mph
SE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms
|
63°F |
8 mph
S
|
|
Sunday
Sep 20
|
Showers And Thunderstorms
|
76°F |
9 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
61°F |
6 to 9 mph
NE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
76°F |
9 mph
E
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
61°F |
9 mph
NE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
76°F |
9 mph
SE
|
|
Tuesday Night
Sep 22
|
Chance Showers And Thunderstorms
|
61°F |
9 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cottage Grove.