Harman US

Gem, KS Weather & Growing Conditions

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

This Afternoon
95°F
Mostly Sunny
Mostly sunny, with a high near 95. Southwest wind around 10 mph.

7-day forecast for Gem

WhenTempForecastWindPrecip
This Afternoon 95°F Mostly Sunny 10 mph SW 1%
Tonight 64°F Slight Chance Showers And Thunderstorms 5 to 10 mph E 21%
Saturday 79°F Partly Sunny 5 to 10 mph NE 13%
Saturday Night 59°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 5 to 10 mph NE 53%
Sunday 69°F Chance Rain Showers 5 to 10 mph NE 53%
Sunday Night 57°F Chance Showers And Thunderstorms 0 to 5 mph NE 46%
Monday 70°F Chance Rain Showers then Partly Sunny 0 to 5 mph N 26%
Monday Night 54°F Partly Cloudy then Slight Chance Rain Showers 5 mph E 15%
Tuesday 68°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph SE 15%
Tuesday Night 57°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph SE 25%
Wednesday 72°F Chance Rain Showers 15 mph S 25%
Wednesday Night 59°F Chance Rain Showers 10 to 15 mph S 41%
Thursday 74°F Chance Rain Showers 5 to 10 mph S 41%
Thursday Night 60°F Chance Rain Showers 5 mph SE 30%

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 Sep 19, 2026.