Hyannis, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hyannis, a village in Grant County, Nebraska.
Tonight
58°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely between 11pm and 5am. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
7-day forecast for Hyannis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Showers And Thunderstorms Likely | 5 to 10 mph ENE | 68% |
| Saturday | 71°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 15 mph ENE | 37% |
| Saturday Night | 53°F | Showers And Thunderstorms | 5 to 15 mph ENE | 86% |
| Sunday | 64°F | Rain Showers | 5 to 10 mph ESE | 94% |
| Sunday Night | 50°F | Showers And Thunderstorms | 5 to 10 mph E | 81% |
| Monday | 64°F | Chance Rain Showers | 5 to 15 mph N | 42% |
| Monday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 10 to 15 mph ESE | 15% |
| Tuesday | 65°F | Mostly Cloudy | 15 to 25 mph SSE | 14% |
| Tuesday Night | 53°F | Slight Chance Rain Showers | 20 to 25 mph SSE | 19% |
| Wednesday | 71°F | Slight Chance Rain Showers | 20 to 25 mph S | 18% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 20 mph S | 25% |
| Thursday | 74°F | Partly Sunny | 10 to 15 mph SSE | 7% |
| Thursday Night | 55°F | Mostly Cloudy | 10 to 15 mph SE | 14% |
| Friday | 74°F | Partly Sunny | 15 to 20 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Hyannis (42.000, -101.762). Updated through the day.
Growing snapshot for Hyannis
Last spring frost
May 4
First fall frost
Oct 8
Growing season
155 days
Hardiness zone
5a
More local growing data for Hyannis: nearby ZIP 69350 weather · frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Whitman 5 Ene, Ne (18 mi from Hyannis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.