Monmouth, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monmouth, a community in Fresno County, California.
Tonight
56°F
Partly Cloudy
Partly cloudy. Low around 56, with temperatures rising to around 58 overnight. Northwest wind 0 to 5 mph.
7-day forecast for Monmouth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Saturday | 89°F | Sunny | 0 to 5 mph WNW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Sunday | 89°F | Partly Sunny | 0 to 10 mph NW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 5 to 10 mph NW | 0% |
| Monday | 88°F | Sunny | 5 to 10 mph NW | 0% |
| Monday Night | 59°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Tuesday | 91°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 61°F | Clear | 0 to 5 mph NNW | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 99°F | Sunny | 0 to 5 mph WNW | 0% |
| Thursday Night | 64°F | Mostly Clear | 0 to 5 mph WNW | 1% |
| Friday | 96°F | Sunny | 0 to 5 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Monmouth (36.566, -119.740). Updated through the day.
Growing snapshot for Monmouth
Last spring frost
Jan 30
First fall frost
Dec 11
Growing season
319 days
Hardiness zone
9b
More local growing data for Monmouth: nearby ZIP 93725 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Fresno 5 Ne, Ca (9.8 mi from Monmouth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.