Gannett, ID Weather & Growing Conditions
Tonight
37°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy. Low around 37, with temperatures rising to around 42 overnight. East wind 0 to 3 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph E | 29% |
| Saturday | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SSE | 30% |
| Saturday Night | 37°F | Partly Cloudy | 2 mph NNE | 10% |
| Sunday | 70°F | Mostly Sunny | 5 mph E | 0% |
| Sunday Night | 39°F | Mostly Clear | 3 mph ENE | 0% |
| Monday | 74°F | Sunny | 6 mph ENE | 1% |
| Monday Night | 42°F | Partly Cloudy | 3 mph NE | 0% |
| Tuesday | 75°F | Mostly Sunny | 6 mph E | 3% |
| Tuesday Night | 41°F | Mostly Clear | 1 to 5 mph NW | 2% |
| Wednesday | 77°F | Sunny | 6 mph ENE | 1% |
| Wednesday Night | 41°F | Mostly Clear | 5 mph N | 3% |
| Thursday | 78°F | Sunny | 3 to 7 mph ENE | 3% |
| Thursday Night | 44°F | Partly Cloudy | 6 mph NE | 2% |
| Friday | 79°F | Sunny | 3 to 7 mph E | 2% |
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
5b
Explore more for Gannett, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Picabo, Id (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.