Westhaven-Moonstone, CA Weather & Growing Conditions
This Afternoon
61°F
Partly Sunny
Partly sunny. High near 61, with temperatures falling to around 56 in the afternoon. East northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Partly Sunny | 1 mph ENE | 11% |
| Tonight | 42°F | Partly Cloudy | 1 to 6 mph SE | 3% |
| Wednesday | 60°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph SSW | 24% |
| Wednesday Night | 45°F | Slight Chance Light Rain then Patchy Fog | 1 to 6 mph NW | 24% |
| Thursday | 61°F | Mostly Sunny | 3 to 7 mph NNW | 6% |
| Thursday Night | 40°F | Partly Cloudy | 2 to 7 mph NNE | 0% |
| Friday | 62°F | Mostly Sunny | 1 to 5 mph NE | 1% |
| Friday Night | 43°F | Mostly Clear | 3 mph ENE | 0% |
| Saturday | 64°F | Mostly Sunny | 5 mph SSE | 8% |
| Saturday Night | 48°F | Chance Light Rain | 2 to 8 mph SSE | 36% |
| Sunday | 61°F | Chance Light Rain | 1 to 5 mph SSW | 36% |
| Sunday Night | 46°F | Patchy Fog then Slight Chance Light Rain | 2 mph E | 20% |
| Monday | 59°F | Slight Chance Light Rain | 3 mph S | 20% |
| Monday Night | 44°F | Slight Chance Light Rain | 5 mph SSE | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westhaven-Moonstone, CA
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9b
Explore more for Westhaven-Moonstone, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.