Montesano, Washington Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Montesano weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——75°48°—
- MondayJul 6Overcast——72°48°-3°
- TuesdayJul 7Drizzle—0.04″71°47°-1°
- WednesdayJul 8Drizzle21%0.02″69°48°-2°
- ThursdayJul 9Mostly Clear——69°45°0°
- FridayJul 10Overcast——70°48°+1°
- SaturdayJul 11Overcast——71°46°+1°
AQI 18 (Good), driven by PM2.5. AQI down 7 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
- 11:40 PM
- Moonset
- 11:30 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Montesano at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: May 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 98563
15-Day Forecast — Montesano
- Sun75°48°1%
- Mon72°48°0%
- Tue71°47°4%
- Wed69°48°21%
- Thu69°45°0%
- Fri70°48°9%
- Sat71°46°7%
- Sun72°45°6%
- Mon79°42°4%
- Tue81°43°3%
- Wed88°52°1%
- Thu89°51°3%
- Fri77°52°6%
- Sat75°50°10%
- Sun87°47°0%
Forecast data from Open-Meteo (CC BY 4.0).
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
Montesano's warmest month is August (~66°F mean) and its coldest is December (~41°F). Rainfall peaks in November (11.4 inches) and bottoms out in July (0.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 42° | 11.1″ | 17 |
| February | 43° | 7.0″ | 13 |
| March | 46° | 8.2″ | 16 |
| April | 50° | 5.4″ | 13 |
| May | 56° | 3.3″ | 9 |
| June | 60° | 2.2″ | 6 |
| July | 65° | 0.8″ | 2 |
| August | 66° | 1.4″ | 3 |
| September | 61° | 2.7″ | 6 |
| October | 53° | 7.2″ | 11 |
| November | 45° | 11.4″ | 17 |
| December | 41° | 11.4″ | 17 |
Regional context
Montesano swings from 42°F in January to 65°F in July (23°F) per NOAA NCEI 1991-2020 normals; precipitation in Montesano runs about 72 inches on roughly 129 measurable days.
Precipitation in Montesano peaks in the cool season: November averages 11.4 inches across 16.8 storm-fed days, while July bottoms out at 0.8 inches over just 2.0 rainy days. It is a winter-storm rhythm Montesano shares with places like Brady, WA, Satsop, WA and Central Park, WA.
Once Montesano passes late-May, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Montesano's heat-lovers — tomatoes, peppers, squash — hold off until Montesano's frost risk clears, 10-14 days on. By early-October, frost is back in Montesano — protect or harvest anything tender. A creek-bottom lot in Montesano can lag Montesano's last frost 7-10 days behind a south slope.
Similar climates: Brady, WA, Satsop, WA, Central Park, WA, Elma, WA, Cosmopolis, WA.
Frequently asked
- When does it freeze in Montesano?
- Frost typically leaves Montesano by mid-May and returns to Montesano near mid-October.
- What is the rainy season in Montesano?
- November is the wettest month in Montesano, about 11.4 inches on average; the year totals roughly 72 inches.
- What is the warmest month in Montesano?
- The warmest stretch in Montesano comes in August, around 66°F on average.
- What is the coldest month in Montesano?
- On average December is the chilliest month in Montesano, about 41°F.
- When can I start a vegetable garden in Montesano?
- Time tomatoes in Montesano for two weeks after mid-May; peas and greens start at Montesano's frost line.
- How many rainy days does Montesano get?
- Expect roughly 129 wet days a year in Montesano.
- What hardiness zone is Montesano?
- Montesano sits in the USDA zone set by December lows near 41°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Montesano?
- Montesano'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 Montesano?
- See this week's day-by-day rain chances for Montesano in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Montesano?
- Current conditions for Montesano and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Montesano forecast updated?
- The Montesano forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Montesano?
- Today's sunrise and sunset times for Montesano 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 Montesano?
- The next few days in Montesano's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Montesano's warm-summer Mediterranean climate in Washington pairs 42°F Januarys with 65°F Julys, 23°F apart across the seasons.
In a typical year Montesano records about 72 inches of precipitation on around 129 days.
The 23°F gap between Montesano's summer and winter, at 47.0°N, shapes Montesano's frost calendar.
ZIP codes in Montesano
- 98563