Fort Calhoun, NE Weather & Growing Conditions
Overnight
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 3am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. North northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Showers And Thunderstorms Likely | 5 mph NNE | 62% |
| Saturday | 77°F | Chance Showers And Thunderstorms | 5 to 8 mph NNW | 52% |
| Saturday Night | 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% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Calhoun, NE
Last spring frost
Apr 19
First fall frost
Oct 17
Growing season
180 days
Hardiness zone
5b
Explore more for Fort Calhoun, NE: full frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Ft Calhoun 4W, Ne (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.