Marysville, Washington Weather
Last leaves cling in quiet rain. Day 50 of autumn. Read this microseason across nine climate regions →
Marysville weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 11:20 AM PST · Open-Meteo
- TodayNov 10Rain later95%0.51″59°50°—
- WednesdayNov 11Overcast17%—62°55°+3°
- ThursdayNov 12Overcast17%—64°52°+2°
- FridayNov 13Overcast66%—64°49°0°
- SaturdayNov 14Heavy Drizzle78%0.11″56°49°-8°
- SundayNov 15Rain79%0.52″51°48°-5°
- MondayNov 16Rain49%0.44″55°48°+4°
Air quality now AQI 31 · Good
AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 4.5 µg/m³, PM10 to 5.1 µg/m³.
- PM2.5/PM10
- 0.88
- Wind
- breezy
- Recent rain
- 5h in last 6h
- Pattern
- washed out
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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 9:10 AM
- Moonset
- 4:26 PM
- In sign
- ♐︎ Sagittarius
Last leaves cling in quiet rain
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Marysville at a glance
- Today vs. normal: Today averages 55°F (high 59°F, low 50°F), 9°F above the 46°F normal for Nov 10
- Last frost: March 24 (1991–2020 median, NOAA station 12 km away)
- Microseason: Nov 6–10
- Planting calendar: November — harvest fall brassicas, carrots
16-Day Forecast — Marysville
- Tue59°51°95%
- Wed62°55°17%
- Thu64°52°17%
- Fri64°49°66%
- Sat56°49°78%
- Sun51°48°79%
- Mon55°48°49%
- Tue52°46°22%
- Wed48°41°18%
- Thu47°37°12%
- Fri50°34°9%
- Sat50°34°19%
- Sun54°39°16%
- Mon56°45°28%
- Tue54°47°45%
- Wed59°47°31%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Marysville
Interactive wind and temperature map centered on Marysville — it loads in your browser. Open the full weather map.
Right now in the garden
Post-frost dormancy
As of November 10, the season's first frost (typically November 2) is due or past. Bring frost-tender plants indoors, mulch overwintering beds, and turn spent plantings under. This city's planting calendar for November: harvest fall brassicas and carrots.
Sun & seasons in Marysville
Marysville sits in Snohomish County, where the year’s longest day runs 16h 4m of daylight and its shortest just 8h 21m — a swing of +7h 42m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Seattle, the state’s largest city, lies about 33 miles to the SSW. The nearest town Marysville tracks is Seattle, roughly 33 miles to the SSW.
Air quality in Marysville
Air quality in Marysville’s county has held roughly steady since 2020; its cleanest year on record was 2021 (median AQI 35). See the full air-quality history for Marysville.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | radishes |
| April | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| May | — | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, garlic |
| July | tomatoes, peppers, beans, squash | — |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Marysville's warmest month is August (~65°F mean) and its coldest is December (~40°F). Rainfall peaks in November (5.8 inches) and bottoms out in July (1.0 inches).
| Month | Mean temp | Precip |
|---|---|---|
| January | 41° | 5.0″ |
| February | 43° | 3.7″ |
| March | 46° | 4.1″ |
| April | 51° | 3.4″ |
| May | 56° | 2.7″ |
| June | 61° | 2.3″ |
| July | 65° | 1.0″ |
| August | 65° | 1.1″ |
| September | 60° | 2.3″ |
| October | 52° | 3.7″ |
| November | 45° | 5.8″ |
| December | 40° | 5.0″ |
Regional context
Similar climates Lake Cassidy, WA, Sisco Heights, WA, Lochsloy, WA
Marysville swings from 41°F in January to 65°F in July (24°F) per NOAA NCEI 1991-2020 normals; precipitation in Marysville runs about 40.3 inches.
Cool-season fronts carry Marysville's rain: November logs 5.8 inches, against July's 1.0 inches — winter does the heavy lifting in Marysville. That cool-season-wet pattern aligns Marysville with places like Lake Cassidy, WA, Sisco Heights, WA and Lochsloy, WA.
Around March 24, Marysville sheds its freezing nights — peas, lettuce, spinach, and radishes go into Marysville's beds. Heat-demanding starts go out a fortnight on in Marysville, after the soil warms and cold snaps clear. Frost returns to Marysville near November 2, ending the tender-crop season. Open lawns in Marysville whiten first when frost returns.
Similar climates: Lake Cassidy, WA, Sisco Heights, WA, Lochsloy, WA, Lake Stevens, WA, Arlington, WA.
Frequently asked
- When does it freeze in Marysville?
- Frost typically leaves Marysville by March 24 and returns to Marysville near November 2.
- What is the rainy season in Marysville?
- Rainfall in Marysville peaks in November near 5.8 inches, out of about 40 inches annually.
- What is the warmest month in Marysville?
- August is Marysville's warmest month, averaging about 65°F.
- What is the coldest month in Marysville?
- Marysville bottoms out in December, with a mean near 40°F.
- When can I start a vegetable garden in Marysville?
- Frost-hardy sowings begin at March 24 in Marysville; warm-season starts follow two weeks on.
- What hardiness zone is Marysville?
- Marysville's hardiness zone tracks its winter low; with December near 40°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Marysville?
- Marysville'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 Marysville?
- See this week's day-by-day rain chances for Marysville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Marysville?
- Current conditions for Marysville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Marysville forecast updated?
- The Marysville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Marysville?
- Today's sunrise and sunset times for Marysville 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 Marysville?
- The next few days in Marysville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Marysville sits at 48.1°N; its climate zone is warm-summer Mediterranean (Köppen approximation).
ZIP codes in Marysville
- 98270
- 98271