Haswell, CO Weather & Growing Conditions
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind 8 to 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 8 to 13 mph N | 3% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 13 mph N | 21% |
| Saturday Night | 53°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 15 mph NE | 66% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 6 to 13 mph ENE | 42% |
| Sunday Night | 50°F | Showers And Thunderstorms Likely | 3 to 14 mph NNE | 69% |
| Monday | 69°F | Mostly Sunny | 3 to 13 mph SSE | 12% |
| Monday Night | 51°F | Chance Showers And Thunderstorms | 10 to 14 mph SE | 53% |
| Tuesday | 71°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 13 to 22 mph SSE | 23% |
| Tuesday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 18 to 22 mph SE | 31% |
| Wednesday | 73°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 18 mph S | 20% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms | 7 to 15 mph SSE | 21% |
| Thursday | 75°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph SE | 16% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 7 to 10 mph ESE | 24% |
| Friday | 74°F | Slight Chance Rain Showers then Partly Sunny | 7 to 14 mph SSE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Haswell, CO
Last spring frost
May 9
First fall frost
Oct 6
Growing season
149 days
Hardiness zone
5b
Explore more for Haswell, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Karval, Co (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.