Fort Calhoun, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Calhoun, a city in Washington County, Nebraska.
Today
77°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then a slight chance of showers and thunderstorms between 11am and 1pm. Partly sunny, with a high near 77. North northwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fort Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Chance Showers And Thunderstorms | 5 to 8 mph NNW | 52% |
| Tonight | 62°F | Chance Showers And Thunderstorms | 9 mph N | 29% |
| Sunday | 64°F | Chance Rain Showers | 9 mph NNE | 43% |
| Sunday Night | 57°F | Chance Rain Showers | 8 mph NE | 38% |
| Monday | 60°F | Rain Showers Likely | 8 mph NE | 58% |
| Monday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 3 to 8 mph NE | 41% |
| Tuesday | 61°F | Partly Sunny | 6 mph ENE | 8% |
| Tuesday Night | 48°F | Partly Cloudy | 3 mph ESE | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph SE | 3% |
| Wednesday Night | 54°F | Partly Cloudy then Chance Rain Showers | 3 mph SE | 29% |
| Thursday | 65°F | Chance Rain Showers | 6 mph SE | 34% |
| Thursday Night | 57°F | Chance Showers And Thunderstorms | 3 mph SE | 27% |
| Friday | 67°F | Chance Showers And Thunderstorms | 6 mph SE | 27% |
| Friday Night | 58°F | Slight Chance Rain Showers | 6 mph SE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Fort Calhoun (41.456, -96.026). Updated through the day.
Growing snapshot for Fort Calhoun
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
180 days
Hardiness zone
5b
More local growing data for Fort Calhoun: nearby ZIP 68023 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Calhoun 4W, Ne (4.2 mi from Fort Calhoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.