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Klamath Falls, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Klamath Falls, a city in Klamath County, Oregon.

Tonight
29°F
Partly Cloudy
Partly cloudy. Low around 29, with temperatures rising to around 32 overnight. East southeast wind around 3 mph.

7-day forecast for Klamath Falls

WhenTempForecastWindPrecip
Tonight 29°F Partly Cloudy 3 mph ESE 1%
Wednesday 50°F Partly Sunny 3 mph SE 3%
Wednesday Night 31°F Mostly Cloudy 3 mph E 4%
Thursday 52°F Mostly Sunny 2 mph SW 0%
Thursday Night 29°F Mostly Clear 2 mph NE 0%
Friday 58°F Mostly Sunny 2 mph ESE 0%
Friday Night 32°F Mostly Clear 2 mph SE 0%
Saturday 63°F Mostly Sunny 0 to 5 mph SSE 0%
Saturday Night 33°F Partly Cloudy 2 mph S 0%
Sunday 57°F Partly Sunny 0 to 3 mph SW 0%
Sunday Night 32°F Mostly Cloudy 2 mph WSW 0%
Monday 56°F Partly Sunny 0 to 3 mph SSW 5%
Monday Night 31°F Partly Cloudy 2 mph SSW 7%
Tuesday 58°F Mostly Sunny 0 to 5 mph SSE 12%

Forecast source: National Weather Service (api.weather.gov) for Klamath Falls (42.219, -121.779). Updated through the day.

Growing snapshot for Klamath Falls

Last spring frost
Jun 9
First fall frost
Sep 18
Growing season
99 days
Hardiness zone
6b

More local growing data for Klamath Falls: nearby ZIP 97634 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Klamath Falls Intl Ap, Or (4.1 mi from Klamath Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.