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Merrill, OR Weather & Growing Conditions

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

This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. North wind around 3 mph.

7-day forecast for Merrill

WhenTempForecastWindPrecip
This Afternoon 50°F Mostly Cloudy 3 mph N 3%
Tonight 31°F Partly Cloudy 0 to 3 mph ENE 3%
Wednesday 50°F Partly Sunny 1 to 6 mph SSW 6%
Wednesday Night 33°F Slight Chance Light Rain then Mostly Cloudy 5 mph W 22%
Thursday 52°F Mostly Sunny 2 mph NW 0%
Thursday Night 30°F Partly Cloudy 2 mph ENE 0%
Friday 59°F Mostly Sunny 2 mph E 0%
Friday Night 33°F Mostly Clear 0 to 3 mph ENE 0%
Saturday 65°F Mostly Sunny 2 to 6 mph SE 0%
Saturday Night 36°F Partly Cloudy 2 to 8 mph SSE 0%
Sunday 59°F Partly Sunny 5 mph SSW 1%
Sunday Night 34°F Mostly Cloudy 2 mph NNW 2%
Monday 57°F Partly Sunny 3 mph S 5%
Monday Night 33°F Partly Cloudy 3 mph S 7%

Forecast source: National Weather Service (api.weather.gov) for Merrill (42.026, -121.601). Updated through the day.

Growing snapshot for Merrill

Last spring frost
Jun 6
First fall frost
Sep 14
Growing season
97 days
Hardiness zone
6b

More local growing data for Merrill: nearby ZIP 97633 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Tulelake, Ca (6.8 mi from Merrill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.