Fillmore, UT Weather & Growing Conditions
Overnight
49°F
Mostly Clear
Mostly clear. Low around 49, with temperatures rising to around 51 overnight. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 2 mph SW | 2% |
| Saturday | 73°F | Sunny | 1 to 6 mph WNW | 1% |
| Saturday Night | 45°F | Mostly Clear | 1 to 6 mph ENE | 2% |
| Sunday | 76°F | Sunny | 1 to 6 mph NW | 0% |
| Sunday Night | 46°F | Partly Cloudy | 2 to 6 mph ENE | 0% |
| Monday | 80°F | Mostly Sunny | 3 mph SW | 0% |
| Monday Night | 51°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph E | 23% |
| Tuesday | 76°F | Showers And Thunderstorms Likely | 3 mph SSW | 63% |
| Tuesday Night | 46°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SE | 18% |
| Wednesday | 80°F | Sunny | 3 mph SW | 4% |
| Wednesday Night | 48°F | Mostly Clear | 5 mph ESE | 2% |
| Thursday | 83°F | Sunny | 2 mph SSW | 1% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph SE | 2% |
| Friday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph SSE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fillmore, UT
Last spring frost
May 4
First fall frost
Oct 14
Growing season
160 days
Hardiness zone
6a
Explore more for Fillmore, UT: full frost dates · planting calendar · Utah frost dates
Climate data from the nearest NOAA station, Fillmore, Ut (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.