Jansen, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jansen, a village in Jefferson County, Nebraska.
Overnight
68°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East southeast wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Jansen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Chance Showers And Thunderstorms | 3 mph ESE | 27% |
| Tuesday | 81°F | Slight Chance Showers And Thunderstorms | 3 to 12 mph NE | 18% |
| Tuesday Night | 61°F | Patchy Smoke | 9 to 14 mph NNE | 42% |
| Wednesday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 mph NE | 61% |
| Wednesday Night | 59°F | Partly Cloudy | 2 to 8 mph NE | 5% |
| Thursday | 81°F | Mostly Sunny | 5 mph E | 2% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 6 mph ESE | 31% |
| Friday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 7 mph SSE | 20% |
| Friday Night | 68°F | Clear | 6 mph SSE | 3% |
| Saturday | 91°F | Sunny | 5 to 13 mph S | 2% |
| Saturday Night | 72°F | Mostly Clear | 13 mph S | 1% |
| Sunday | 92°F | Mostly Sunny | 9 to 14 mph S | 3% |
| Sunday Night | 73°F | Mostly Clear | 15 mph S | 2% |
| Monday | 94°F | Mostly Sunny | 13 to 16 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Jansen (40.184, -97.085). Updated through the day.
Growing snapshot for Jansen
Last spring frost
Apr 25
First fall frost
Oct 15
Growing season
169 days
Hardiness zone
6a
More local growing data for Jansen: nearby ZIP 68377 weather · frost dates · planting calendar · Nebraska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fairbury 5S, Ne (12.6 mi from Jansen). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.