Westhaven-Moonstone, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westhaven-Moonstone, a community in Humboldt County, California.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy, with a high near 64. Northwest wind around 3 mph.
7-day forecast for Westhaven-Moonstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 3 mph NW | 0% |
| Tonight | 49°F | Areas Of Fog | 0 to 3 mph WNW | 1% |
| Sunday | 64°F | Areas Of Fog then Mostly Cloudy | 0 to 6 mph NW | 1% |
| Sunday Night | 50°F | Areas Of Fog | 0 to 5 mph NW | 1% |
| Monday | 65°F | Patchy Fog then Partly Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 50°F | Areas Of Fog | 0 to 5 mph NNW | 0% |
| Tuesday | 64°F | Patchy Fog then Partly Sunny | 1 to 7 mph NNW | 0% |
| Tuesday Night | 49°F | Partly Cloudy then Patchy Fog | 1 to 7 mph N | 0% |
| Wednesday | 66°F | Patchy Fog then Partly Sunny | 1 to 7 mph NNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy then Patchy Fog | 1 to 7 mph NNE | 0% |
| Thursday | 67°F | Patchy Fog then Partly Sunny | 1 to 6 mph N | 1% |
| Thursday Night | 49°F | Mostly Cloudy then Patchy Fog | 1 to 5 mph NNE | 11% |
| Friday | 65°F | Partly Sunny | 1 to 7 mph N | 11% |
| Friday Night | 49°F | Partly Cloudy | 2 to 8 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Westhaven-Moonstone (41.036, -124.091). Updated through the day.
Growing snapshot for Westhaven-Moonstone
Last spring frost
Mar 8
First fall frost
Nov 30
Growing season
262 days
Hardiness zone
9b
More local growing data for Westhaven-Moonstone: nearby ZIP 95570 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alderpoint
Arcata
Bayview
Benbow
Big Lagoon
Blue Lake
Cutten
Eureka
Fairhaven
Ferndale
Fieldbrook
Fields Landing
Fortuna
Garberville
Hoopa
Humboldt Hill
Hydesville
Indianola
Kep'el
Loleta
Manila
McKinleyville
Miranda
Myers Flat
Myrtletown
Orick
Phillipsville
Pine Hills
Redcrest
Redway
Climate data from the nearest NOAA station, Arcata Eureka Ap, Ca (9.5 mi from Westhaven-Moonstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.