Loomis, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Loomis, a community in Okanogan County, Washington.
Today
55°F
Mostly Sunny
Mostly sunny. High near 55, with temperatures falling to around 46 in the afternoon. Southeast wind around 3 mph.
7-day forecast for Loomis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 55°F | Mostly Sunny | 3 mph SE | 2% |
| Tonight | 38°F | Partly Cloudy | 2 mph NW | 2% |
| Wednesday | 56°F | Mostly Sunny | 0 to 6 mph SE | 0% |
| Wednesday Night | 38°F | Mostly Cloudy | 0 to 5 mph S | 10% |
| Thursday | 55°F | Partly Sunny | 0 to 3 mph S | 7% |
| Thursday Night | 39°F | Mostly Cloudy then Chance Rain Showers | 5 mph S | 26% |
| Friday | 55°F | Chance Rain Showers | 2 to 12 mph S | 26% |
| Friday Night | 36°F | Mostly Cloudy | 1 to 8 mph SW | 12% |
| Saturday | 55°F | Mostly Cloudy | 1 to 7 mph S | 11% |
| Saturday Night | 41°F | Chance Rain Showers | 2 to 6 mph S | 30% |
| Sunday | 57°F | Chance Rain Showers then Partly Sunny | 2 to 7 mph S | 30% |
| Sunday Night | 36°F | Mostly Cloudy | 0 to 5 mph W | 10% |
| Monday | 53°F | Mostly Cloudy then Chance Rain Showers | 0 to 5 mph S | 32% |
| Monday Night | 40°F | Chance Rain Showers | 3 mph S | 45% |
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 Nov 3, 2026.