Forest Grove, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forest Grove, a city in Washington County, Oregon.
Today
94°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 94. North wind around 7 mph.
7-day forecast for Forest Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Areas Of Smoke | 7 mph N | 0% |
| Tonight | 63°F | Smoke | 5 to 8 mph NNW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 1 to 5 mph NNW | 0% |
| Wednesday Night | 63°F | Clear | 0 to 5 mph NNW | 0% |
| Thursday | 98°F | Sunny | 2 mph N | 0% |
| Thursday Night | 60°F | Clear | 0 to 6 mph NNW | 0% |
| Friday | 92°F | Sunny | 0 to 8 mph NNW | 0% |
| Friday Night | 59°F | Clear | 1 to 8 mph NW | 0% |
| Saturday | 86°F | Sunny | 1 to 10 mph NNW | 0% |
| Saturday Night | 55°F | Mostly Clear | 1 to 10 mph NW | 0% |
| Sunday | 80°F | Sunny | 1 to 9 mph NNW | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 9 mph NNW | 0% |
| Monday | 81°F | Sunny | 0 to 8 mph NNW | 0% |
| Monday Night | 54°F | Mostly Clear | 0 to 8 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Forest Grove (45.525, -123.110). Updated through the day.
Growing snapshot for Forest Grove
Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
192 days
Hardiness zone
8b
More local growing data for Forest Grove: nearby ZIP 97113 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Aloha
Banks
Beaverton
Bethany
Bull Mountain
Cedar Hills
Cedar Mill
Cherry Grove
Cornelius
Dilley
Durham
Garden Home-Whitford
Gaston
Hillsboro
King City
Marlene Village
Metzger
North Plains
Oak Hills
Raleigh Hills
Rockcreek
Sherwood
Tigard
Tualatin
West Haven-Sylvan
West Slope
Climate data from the nearest NOAA station, Forest Grove, Or (3.1 mi from Forest Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.