Harman US

Haswell, CO Weather & Growing Conditions

Today
81°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 81. Northeast wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 15 mph NE 47%
Tonight 54°F Showers And Thunderstorms Likely 5 to 15 mph NNE 64%
Sunday 72°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 15 mph NE 20%
Sunday Night 51°F Showers And Thunderstorms 5 to 15 mph ENE 84%
Monday 69°F Chance Rain Showers then Mostly Sunny 5 to 15 mph SE 26%
Monday Night 50°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 10 to 15 mph SE 58%
Tuesday 70°F Mostly Sunny then Slight Chance Showers And Thunderstorms 15 to 25 mph SSE 16%
Tuesday Night 54°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 25 mph SE 18%
Wednesday 76°F Partly Sunny then Slight Chance Showers And Thunderstorms 20 to 25 mph SSE 13%
Wednesday Night 54°F Chance Showers And Thunderstorms 10 to 20 mph SSE 29%
Thursday 77°F Partly Sunny then Slight Chance Showers And Thunderstorms 10 mph SE 12%
Thursday Night 55°F Slight Chance Rain Showers 5 to 10 mph SE 20%
Friday 75°F Mostly Sunny then Slight Chance Showers And Thunderstorms 10 to 15 mph SE 20%
Friday Night 55°F Chance Rain Showers 10 to 15 mph SSE 27%

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

Growing snapshot for Haswell, CO

Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
165 days
Hardiness zone
5b

Explore more for Haswell, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Eads, Co (21.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.