Monrovia, CA Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 64°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 94°F | Sunny | 0 to 5 mph SSW | 0% |
| Wednesday Night | 65°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Thursday | 94°F | Sunny | 0 to 5 mph SSW | 0% |
| Thursday Night | 66°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Friday | 94°F | Sunny | 0 to 5 mph SW | 0% |
| Friday Night | 67°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Saturday | 97°F | Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 67°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 96°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 66°F | Mostly Clear | 0 to 5 mph S | 2% |
| Monday | 92°F | Sunny | 0 to 5 mph S | 2% |
| Monday Night | 64°F | Mostly Clear | 0 to 5 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monrovia, CA
Last spring frost
Apr 28
First fall frost
Nov 15
Growing season
199 days
Hardiness zone
10a
Explore more for Monrovia, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Mt Wilson Cbs, Ca (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.