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Gem, KS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Gem, a city in Thomas County, Kansas.

This Afternoon
57°F
Mostly Sunny
Mostly sunny. High near 57, with temperatures falling to around 53 in the afternoon. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

7-day forecast for Gem

WhenTempForecastWindPrecip
This Afternoon 57°F Mostly Sunny 15 to 20 mph NW 1%
Tonight 34°F Mostly Clear 10 mph NW 0%
Wednesday 56°F Sunny 5 to 10 mph NW 0%
Wednesday Night 35°F Partly Cloudy 5 to 10 mph NW 4%
Thursday 51°F Mostly Sunny 5 to 15 mph NW 2%
Thursday Night 30°F Mostly Clear 0 to 5 mph NW 0%
Friday 55°F Mostly Sunny 0 to 5 mph SW 0%
Friday Night 35°F Partly Cloudy 5 mph SW 1%
Saturday 60°F Sunny 5 mph NW 3%
Saturday Night 35°F Mostly Clear 5 mph NW 3%
Sunday 64°F Sunny 5 to 10 mph SW 0%
Sunday Night 40°F Clear 5 to 10 mph SW 0%
Monday 65°F Sunny 5 to 10 mph NW 0%
Monday Night 39°F Mostly Clear 5 mph N 0%

Forecast source: National Weather Service (api.weather.gov) for Gem (39.426, -100.897). Updated through the day.

Growing snapshot for Gem

Last spring frost
May 2
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a

More local growing data for Gem: nearby ZIP 67734 weather · frost dates · planting calendar · Kansas frost dates

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Climate data from the nearest NOAA station, Colby 1Sw, Ks (14.2 mi from Gem). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.