Heyburn, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heyburn, a city in Minidoka County, Idaho.
Tonight
41°F
Mostly Clear
Mostly clear. Low around 41, with temperatures rising to around 44 overnight. South wind around 3 mph.
7-day forecast for Heyburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Mostly Clear | 3 mph S | 2% |
| Sunday | 73°F | Sunny | 5 mph NE | 1% |
| Sunday Night | 44°F | Mostly Clear | 5 mph E | 0% |
| Monday | 78°F | Sunny | 5 to 9 mph ENE | 0% |
| Monday Night | 48°F | Partly Cloudy | 3 to 7 mph E | 0% |
| Tuesday | 79°F | Mostly Sunny | 5 mph ESE | 5% |
| Tuesday Night | 50°F | Mostly Cloudy | 6 mph SSE | 8% |
| Wednesday | 80°F | Sunny | 5 mph SSE | 3% |
| Wednesday Night | 50°F | Mostly Clear | 3 to 7 mph SSE | 2% |
| Thursday | 83°F | Sunny | 6 mph ESE | 1% |
| Thursday Night | 51°F | Partly Cloudy | 7 mph SSE | 0% |
| Friday | 82°F | Mostly Sunny | 7 mph SE | 5% |
| Friday Night | 50°F | Partly Cloudy | 8 mph S | 5% |
| Saturday | 76°F | Mostly Sunny | 8 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Heyburn (42.560, -113.762). Updated through the day.
Growing snapshot for Heyburn
Last spring frost
May 7
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
6b
More local growing data for Heyburn: nearby ZIP 83336 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Burley Muni Ap, Id (3.4 mi from Heyburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.