Loomis, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loomis, a community in Okanogan County, Washington.
Overnight
54°F
Partly Cloudy
Partly cloudy. Low around 54, with temperatures rising to around 56 overnight. Northwest wind around 1 mph.
7-day forecast for Loomis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 1 mph NW | 0% |
| Saturday | 83°F | Mostly Sunny | 0 to 8 mph SE | 1% |
| Saturday Night | 54°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Sunday | 82°F | Sunny | 0 to 9 mph S | 0% |
| Sunday Night | 54°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Monday | 84°F | Mostly Sunny | 0 to 7 mph SE | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 5 mph W | 0% |
| Tuesday | 81°F | Mostly Sunny | 1 to 5 mph NE | 1% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 5 mph W | 1% |
| Wednesday | 76°F | Partly Sunny | 1 to 8 mph S | 1% |
| Wednesday Night | 51°F | Mostly Cloudy | 2 to 8 mph W | 2% |
| Thursday | 72°F | Mostly Cloudy | 5 mph NE | 12% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 5 mph NW | 16% |
| Friday | 69°F | Slight Chance Rain Showers | 2 to 8 mph N | 18% |
Forecast source: National Weather Service (api.weather.gov) for Loomis (48.823, -119.640). Updated through the day.
Growing snapshot for Loomis
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
168 days
Hardiness zone
6a
More local growing data for Loomis: nearby ZIP 98827 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Brewster
Conconully
Coulee Dam
Disautel
Elmer City
Malott
Methow
Nespelem
North Omak
Okanogan
Omak
Oroville
Pateros
Riverside
Tonasket
Twisp
Winthrop
Climate data from the nearest NOAA station, Tonasket 4 Nne, Wa (15.8 mi from Loomis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.