Interlaken, UT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Interlaken, a town in Wasatch County, Utah.
Tonight
42°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. West northwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Interlaken
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Showers And Thunderstorms | 0 to 5 mph WNW | 84% |
| Saturday | 67°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 6 mph NW | 26% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 6 mph NNW | 1% |
| Sunday | 70°F | Sunny | 0 to 3 mph WNW | 0% |
| Sunday Night | 40°F | Partly Cloudy | 3 mph NNE | 0% |
| Monday | 75°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Monday Night | 45°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph NNE | 14% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 1 mph SSE | 58% |
| Tuesday Night | 43°F | Chance Showers And Thunderstorms | 2 mph SSE | 41% |
| Wednesday | 74°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 mph S | 19% |
| Wednesday Night | 43°F | Mostly Clear | 2 mph E | 6% |
| Thursday | 77°F | Mostly Sunny | 1 mph SSE | 9% |
| Thursday Night | 46°F | Partly Cloudy | 3 mph SE | 10% |
| Friday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 3 mph S | 12% |
Forecast source: National Weather Service (api.weather.gov) for Interlaken (40.541, -111.475). Updated through the day.
Growing snapshot for Interlaken
Last spring frost
May 31
First fall frost
Sep 11
Growing season
101 days
Hardiness zone
6a
More local growing data for Interlaken: nearby ZIP 84049 weather · frost dates · planting calendar · Utah frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Snake Creek Powerhouse, Ut (2.9 mi from Interlaken). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.