Lewisville, ID Weather & Growing Conditions
Tonight
44°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 44, with temperatures rising to around 46 overnight. South wind around 7 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph S | 68% |
| Saturday | 63°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 mph SSW | 58% |
| Saturday Night | 42°F | Mostly Cloudy | 3 mph S | 11% |
| Sunday | 68°F | Mostly Sunny | 2 mph SSW | 0% |
| Sunday Night | 42°F | Mostly Clear | 5 mph E | 0% |
| Monday | 75°F | Sunny | 5 mph NNE | 0% |
| Monday Night | 44°F | Mostly Clear | 2 to 6 mph ENE | 0% |
| Tuesday | 76°F | Mostly Sunny | 6 mph N | 1% |
| Tuesday Night | 44°F | Partly Cloudy | 5 mph SE | 6% |
| Wednesday | 76°F | Sunny | 5 mph ESE | 2% |
| Wednesday Night | 44°F | Mostly Clear | 5 mph ESE | 2% |
| Thursday | 78°F | Sunny | 5 mph NNE | 2% |
| Thursday Night | 46°F | Mostly Clear | 5 mph ENE | 0% |
| Friday | 79°F | Mostly Sunny | 5 mph SSE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewisville, ID
Last spring frost
May 9
First fall frost
Oct 5
Growing season
148 days
Hardiness zone
5a
Explore more for Lewisville, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Rigby, Id (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.