Spokane, WA – Summer-like warmth will persist through Saturday, but Eastern Washington residents should prepare for a drop in temperatures and possible showers Sunday, September 22, marking the region’s first real fall-like pattern after a week of sunshine.
Saturday: Sunny and Warm
Saturday is expected to be sunny with a high near 87°F. Winds will increase slightly in the afternoon, but conditions remain favorable for outdoor activities and travel. The last day of summerlike warmth sets the stage for the cooler pattern arriving Sunday.
Sunday: Fall-Like Shift with Showers
A 30 percent chance of rain is forecast to develop late Sunday morning, with highs only near 71°F, nearly 15 degrees cooler than Friday. Drivers along I-90 should anticipate wet pavement and slower traffic, especially through Spokane and the mountain passes.
Scattered showers are expected to move across the Inland Northwest, marking the first tangible sign of fall. While rain totals are light, the damp air will bring a noticeable change in temperatures and humidity.
Monday and the Week Ahead
Monday will bring clearing skies, with highs near 73°F and lows dipping into the 40s in Spokane Valley and surrounding communities. Residents are advised to check heaters and prepare gardens as cooler nights become more consistent.
The rest of the week offers a milder, pleasant stretch, with highs in the upper 70s to low 80s and mostly sunny conditions. Forecasters note that additional fall fronts may arrive later in the week, continuing the seasonal transition.
Five-Day Forecast for Spokane, WA
- Saturday: Sunny, high 87°F. Winds southwest 5–7 mph.
- Sunday: Showers possible, high 71°F. Mostly cloudy.
- Monday: Sunny, high 73°F, low 47°F.
- Tuesday: Mostly sunny, high 81°F, low 50°F.
- Wednesday: Sunny, high 85°F, low 52°F.
Safety and Travel Tips
Residents should be aware of wet roads on Sunday, particularly along major highways and in mountain areas. While rainfall is light, slippery pavement may slow travel. It’s also a good time to prepare for cooler nights and seasonal changes in gardens and homes.
Are you ready for Spokane’s first fall-like weather? Share your plans for enjoying the cooler days and showers in the comments below.
