Spokane, Washington Weather
Pikas hayfeeding in granite peaks. Day 77 of spring. Read this microseason across nine climate regions →
Spokane weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast21%—77°50°—
- ThursdayJun 4Overcast13%—74°53°-3°
- FridayJun 5Overcast——69°53°-5°
- SaturdayJun 6Overcast——63°49°-6°
- SundayJun 7Overcast——65°42°+2°
- MondayJun 8Light Drizzle21%—64°50°-1°
- TuesdayJun 9Light Drizzle31%0.06″61°50°-3°
PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.87 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.87 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:50 AM
- Moonset
- 3:29 PM
- In sign
- ♑︎ Capricorn
Pikas hayfeeding in granite peaks
Spokane at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: June 1 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Warm-season window is open
As of June 4, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Spokane's warmest temperatures at around 72°F mean, while December delivers the coldest at roughly 31°F. December also sees peak rainfall with 2.2 inches, contrasting sharply with August's dry 0.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 2.0″ | 7 |
| February | 35° | 1.3″ | 5 |
| March | 42° | 1.8″ | 7 |
| April | 48° | 1.5″ | 4 |
| May | 57° | 1.7″ | 5 |
| June | 63° | 1.5″ | 5 |
| July | 72° | 0.7″ | 1 |
| August | 70° | 0.5″ | 2 |
| September | 61° | 0.7″ | 2 |
| October | 49° | 1.5″ | 5 |
| November | 38° | 2.0″ | 7 |
| December | 31° | 2.2″ | 8 |
Regional context
Spokane falls within a warm-summer Mediterranean climate region, sharing similar temperature ranges, seasonal patterns, and growing conditions with other nearby cities in this climate zone.
Similar climates: Seattle, WA, Kennewick, WA, Bremerton, WA, Tacoma, WA, Olympia, WA.
Naturalist notes
Late May brings the opening of ponderosa pine cones as they release their winged seeds across Spokane's surrounding forests.
American robins begin their second nesting cycle in June, with pairs often selecting new territories as daylight stretches past 16 hours.
Frequently asked
- When does it freeze in Spokane?
- Spring's final frost typically occurs around mid-May in Spokane, while the first fall frost returns around mid-October.
- What is the rainy season in Spokane?
- December ranks as the wettest month, averaging about 2.2 inches of rain, while the city receives roughly 17 inches annually.
- What is the warmest month in Spokane?
- July typically brings the warmest weather, averaging about 72°F.
- What is the coldest month in Spokane?
- December usually delivers the coldest temperatures, averaging about 31°F.
- When can I start a vegetable garden in Spokane?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-May, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Spokane get?
- Spokane experiences about 56 rainy days per year on average.
- What hardiness zone is Spokane?
- Spokane's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Spokane, Washington experiences a warm-summer Mediterranean climate. Winter temperatures in January hover near 32°F, while July averages reach 72°F — creating a 40°F seasonal swing.
Annual precipitation totals about 17 inches, distributed across roughly 56 rainy days throughout the year.
Weather patterns follow the city's latitude of 47.7°N, along with its proximity to large water bodies and elevation. These factors determine what plants thrive, when frost threatens, and how daily weather unfolds.