Mossyrock, Washington Weather
Fireweed Ignites. Day 14 of summer. Read this microseason across nine climate regions →
Mossyrock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——68°55°—
- SundayJul 5Overcast——76°50°+8°
- MondayJul 6Overcast——84°50°+8°
- TuesdayJul 7Overcast——80°52°-4°
- WednesdayJul 8Light Drizzle12%—71°53°-9°
- ThursdayJul 9Clear——77°48°+6°
- FridayJul 10Clear——80°47°+3°
AQI 20 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 9.0 µg/m³ (AQI 50) with a 0.76 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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 9.0 µg/m³ (AQI 50) with a 0.76 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:17 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Mossyrock at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98564
16-Day Forecast — Mossyrock
- Sat68°55°1%
- Sun76°50°0%
- Mon84°50°0%
- Tue80°52°0%
- Wed71°53°12%
- Thu77°48°2%
- Fri80°47°3%
- Sat78°52°13%
- Sun72°46°7%
- Mon73°45°8%
- Tue87°46°5%
- Wed96°57°13%
- Thu95°63°7%
- Fri98°65°3%
- Sat93°62°6%
- Sun92°60°6%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 185 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
In Mossyrock, August runs warmest near 66°F and December coldest around 39°F, while November is the wettest month (8.4 inches) and July the driest (0.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 39° | 8.1″ | 15 |
| February | 41° | 5.8″ | 12 |
| March | 45° | 6.3″ | 14 |
| April | 49° | 5.5″ | 13 |
| May | 56° | 3.8″ | 10 |
| June | 60° | 2.7″ | 7 |
| July | 66° | 0.9″ | 3 |
| August | 66° | 1.3″ | 3 |
| September | 61° | 2.5″ | 6 |
| October | 52° | 5.4″ | 11 |
| November | 44° | 8.4″ | 14 |
| December | 39° | 8.1″ | 15 |
Regional context
Per NOAA NCEI 1991-2020 normals, Mossyrock runs from a 39°F January mean to 66°F in July, a 27°F seasonal spread, with near 58.7 inches of precipitation across about 121 wet days.
Mossyrock's moisture rides winter storm tracks: November brings 8.4 inches over 14.3 wet days, while July sees only 0.9 inches across 2.6 days in the dry warm season. It is a winter-storm rhythm Mossyrock shares with places like Morton, WA, Onalaska, WA and Toledo, WA.
Once Mossyrock passes late-May, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Tomatoes and peppers do best set out two weeks later in Mossyrock, once nights clear the mid-40s°F. By early-October, frost is back in Mossyrock — protect or harvest anything tender. Mossyrock's low ground holds frost later into spring than Mossyrock's benches, which run 3-5 days ahead.
Similar climates: Morton, WA, Onalaska, WA, Toledo, WA, Mineral, WA, Napavine, WA.
Frequently asked
- When does it freeze in Mossyrock?
- Mossyrock's last spring frost lands near mid-May, and in Mossyrock the first fall frost follows around mid-October.
- What is the rainy season in Mossyrock?
- November is the wettest month in Mossyrock, about 8.4 inches on average; the year totals roughly 59 inches.
- What is the warmest month in Mossyrock?
- August is Mossyrock's warmest month, averaging about 66°F.
- What is the coldest month in Mossyrock?
- Mossyrock bottoms out in December, with a mean near 39°F.
- When can I start a vegetable garden in Mossyrock?
- Time tomatoes in Mossyrock for two weeks after mid-May; peas and greens start at Mossyrock's frost line.
- How many rainy days does Mossyrock get?
- Expect roughly 121 wet days a year in Mossyrock.
- What hardiness zone is Mossyrock?
- Mossyrock's hardiness zone tracks its winter low; with December near 39°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Mossyrock?
- Mossyrock'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 Mossyrock?
- See this week's day-by-day rain chances for Mossyrock in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Mossyrock?
- Current conditions for Mossyrock and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Mossyrock forecast updated?
- The Mossyrock forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Mossyrock?
- Today's sunrise and sunset times for Mossyrock 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 Mossyrock?
- The next few days in Mossyrock's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Mossyrock, Washington occupies a warm-summer Mediterranean zone, with January means near 39°F and July around 66°F — a 27°F swing.
Yearly precipitation in Mossyrock totals around 59 inches, spread over about 121 days of rain or snow.
The 27°F gap between Mossyrock's summer and winter, at 46.5°N, shapes Mossyrock's frost calendar.
ZIP codes in Mossyrock
- 98564