Seattle, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Seattle weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——73°51°—
- MondayJul 6Overcast——80°53°+7°
- TuesdayJul 7Overcast——82°51°+2°
- WednesdayJul 8Drizzle—0.01″69°54°-13°
- ThursdayJul 9Mostly Clear——78°47°+9°
- FridayJul 10Clear——80°52°+2°
- SaturdayJul 11Overcast——82°53°+2°
AQI 28 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:35 PM
- Moonset
- 11:25 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Seattle at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: June 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108 +30 more
15-Day Forecast — Seattle
- Sun73°51°0%
- Mon80°53°0%
- Tue82°51°0%
- Wed69°54°9%
- Thu78°47°4%
- Fri80°52°2%
- Sat82°53°6%
- Sun77°49°6%
- Mon83°49°4%
- Tue83°52°4%
- Wed81°56°1%
- Thu85°56°6%
- Fri90°59°0%
- Sat75°58°10%
- Sun81°51°3%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Seattle
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Fireweed Ignites
Magenta fireweed spires surge from burned and cleared slopes, their blooms climbing from base upward. July's signature color claims the disturbed ground.
Day 186 of 365 · Wedge 37 of 72
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
August is Seattle's warmest stretch (~67°F) and January its coldest (~38°F); precipitation crests in November at 7.9 inches and ebbs in July to 0.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 38° | 7.5″ | 23 |
| February | 40° | 5.5″ | 20 |
| March | 43° | 5.6″ | 23 |
| April | 48° | 4.1″ | 20 |
| May | 55° | 3.1″ | 19 |
| June | 60° | 2.4″ | 16 |
| July | 66° | 0.5″ | 7 |
| August | 67° | 0.9″ | 6 |
| September | 60° | 2.4″ | 12 |
| October | 51° | 6.2″ | 19 |
| November | 44° | 7.9″ | 23 |
| December | 38° | 7.5″ | 24 |
Regional context
In Seattle, NOAA NCEI 1991-2020 normals put January near 38°F and July near 66°F — a 28°F seasonal arc — with about 53.6 inches of precipitation over 211 rainy or snowy days.
Cool-season fronts carry Seattle's rain: November logs 7.9 inches on 22.6 days, against July's 0.5 inches on 6.8 — winter does the heavy lifting in Seattle. That cool-season-wet pattern aligns Seattle with places like Medina, WA, Hunts Point, WA and Clyde Hill, WA.
Seattle reaches its last hard frost near late-May; that is the cue for peas, lettuce, spinach, and radishes. Tomatoes and peppers do best set out two weeks later in Seattle, once nights clear the mid-40s°F. Frost returns to Seattle near early-October, ending the tender-crop season. Seattle's low ground holds frost later into spring than Seattle's benches, which run 3-5 days ahead.
Similar climates: Medina, WA, Hunts Point, WA, Clyde Hill, WA, Yarrow Point, WA, Mercer Island, WA.
Naturalist notes
Pacific madrone trees begin their distinctive bark-shedding process in late May, revealing smooth reddish underskin as temperatures warm.
American robins start their second nesting cycle around mid-May, taking advantage of longer daylight hours and abundant earthworms in Seattle's moist soils.
Frequently asked
- When does it freeze in Seattle?
- Frost typically leaves Seattle by mid-May and returns to Seattle near mid-October.
- What is the rainy season in Seattle?
- Seattle sees its heaviest rain in November (around 7.9 inches), part of roughly 54 inches a year.
- What is the warmest month in Seattle?
- August is Seattle's warmest month, averaging about 67°F.
- What is the coldest month in Seattle?
- Seattle bottoms out in January, with a mean near 38°F.
- When can I start a vegetable garden in Seattle?
- Seattle's last frost (mid-May) cues hardy greens; in Seattle, hold heat-lovers two weeks past.
- How many rainy days does Seattle get?
- Seattle records around 211 days of measurable precipitation annually.
- What hardiness zone is Seattle?
- Seattle sits in the USDA zone set by January lows near 38°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Seattle?
- Seattle's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Seattle?
- See this week's day-by-day rain chances for Seattle in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Seattle?
- Current conditions for Seattle and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Seattle forecast updated?
- The Seattle forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Seattle?
- Today's sunrise and sunset times for Seattle are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Seattle?
- The next few days in Seattle's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Seattle, Washington occupies a warm-summer Mediterranean zone, with January means near 38°F and July around 66°F — a 28°F swing.
Yearly precipitation in Seattle totals around 54 inches, spread over about 211 days of rain or snow.
The 28°F gap between Seattle's summer and winter, at 47.6°N, shapes Seattle's frost calendar.
ZIP codes in Seattle
- 98109
- 98108
- 98105
- 98104
- 98107
- 98106
- 98101
- 98103
- 98102
- 98154
- 98122
- 98121
- 98126
- 98125
- 98178
- 98174
- 98177
- 98144
- 98146
- 98195
- 98199
- 98118
- 98119
- 98116
- 98117
- 98115
- 98112
- 98164
- 98134
- 98136
- 98133
- 98111
- 98113
- 98114
- 98124
- 98127
- 98129
- 98139
- 98141
- 98145
- 98161
- 98165
- 98170
- 98175
- 98181
- 98185
- 98191
- 98194