Westhaven-Moonstone, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westhaven-Moonstone, a community in Humboldt County, California.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. North wind around 1 mph.
7-day forecast for Westhaven-Moonstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 1 mph N | 0% |
| Tuesday | 77°F | Patchy Smoke | 1 to 6 mph S | 0% |
| Tuesday Night | 57°F | Patchy Smoke | 0 to 6 mph SSE | 0% |
| Wednesday | 72°F | Patchy Fog then Sunny | 0 to 6 mph W | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 3 mph WSW | 0% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Saturday | 73°F | Mostly Sunny | 0 to 7 mph NNW | 0% |
| Saturday Night | 53°F | Partly Cloudy then Patchy Fog | 0 to 7 mph N | 0% |
| Sunday | 70°F | Mostly Sunny | 1 to 8 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy then Patchy Fog | 1 to 8 mph N | 0% |
| Monday | 69°F | Patchy Fog then Mostly Sunny | 1 to 8 mph NNW | 1% |
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
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Cutten
Eureka
Fairhaven
Ferndale
Fieldbrook
Fields Landing
Fortuna
Garberville
Hoopa
Humboldt Hill
Hydesville
Indianola
Kep'el
Loleta
Manila
McKinleyville
Miranda
Myers Flat
Myrtletown
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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 Aug 4, 2026.