Gannett, ID Weather & Growing Conditions
Tonight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 47 overnight. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Clear | 5 mph NNW | 2% |
| Sunday | 65°F | Sunny | 6 mph ESE | 1% |
| Sunday Night | 47°F | Mostly Clear | 3 to 8 mph NE | 0% |
| Monday | 69°F | Sunny | 10 mph ENE | 0% |
| Monday Night | 50°F | Partly Cloudy | 6 to 9 mph NE | 0% |
| Tuesday | 71°F | Mostly Sunny | 9 mph ENE | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 6 mph E | 3% |
| Wednesday | 72°F | Sunny | 8 mph E | 1% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 9 mph NNE | 2% |
| Thursday | 75°F | Sunny | 9 to 13 mph E | 1% |
| Thursday Night | 54°F | Partly Cloudy | 6 to 9 mph E | 2% |
| Friday | 73°F | Mostly Sunny | 10 mph E | 2% |
| Friday Night | 52°F | Partly Cloudy | 7 to 10 mph ESE | 5% |
| Saturday | 68°F | Mostly Sunny | 7 to 10 mph SE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Gannett, ID
Last spring frost
Jun 16
First fall frost
Sep 9
Growing season
85 days
Hardiness zone
6a
Explore more for Gannett, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Picabo, Id (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.