Harman US

Mapleton, OR Weather & Growing Conditions

This Afternoon
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. North northwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 78°F Mostly Sunny 2 mph NNW 0%
Tonight 52°F Patchy Fog 1 mph N 0%
Sunday 78°F Patchy Fog then Mostly Sunny 0 to 3 mph NNW 0%
Sunday Night 52°F Patchy Fog 2 mph NNW 0%
Monday 75°F Patchy Fog then Mostly Sunny 0 to 3 mph NNW 0%
Monday Night 52°F Partly Cloudy then Patchy Fog 0 to 3 mph NNW 0%
Tuesday 72°F Patchy Fog then Partly Sunny 0 to 5 mph NNW 0%
Tuesday Night 49°F Partly Cloudy 0 to 5 mph NNW 0%
Wednesday 71°F Mostly Sunny 0 to 3 mph NNW 0%
Wednesday Night 49°F Partly Cloudy 0 to 3 mph NNW 2%
Thursday 70°F Partly Sunny then Slight Chance Light Rain 2 mph NNE 16%
Thursday Night 49°F Slight Chance Light Rain 2 mph N 22%
Friday 66°F Slight Chance Light Rain 0 to 5 mph N 22%
Friday Night 48°F Partly Cloudy 3 mph N 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mapleton, OR

Last spring frost
Feb 15
First fall frost
Dec 9
Growing season
306 days
Hardiness zone
9a

Explore more for Mapleton, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Mapleton, Or (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.