Tualatin, Oregon Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Tualatin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——81°53°—
- MondayJul 6Overcast——88°57°+7°
- TuesdayJul 7Overcast——85°58°-3°
- WednesdayJul 8Overcast——79°56°-6°
- ThursdayJul 9Overcast——83°55°+4°
- FridayJul 10Overcast——83°56°0°
- SaturdayJul 11Overcast——81°58°-2°
AQI 19 (Good), driven by PM2.5. AQI down 11 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
- 11:28 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Tualatin at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 97062
16-Day Forecast — Tualatin
- Sun82°53°0%
- Mon88°57°0%
- Tue85°58°0%
- Wed79°56°0%
- Thu83°55°0%
- Fri83°56°0%
- Sat81°58°3%
- Sun85°54°1%
- Mon90°59°2%
- Tue93°64°1%
- Wed90°63°0%
- Thu93°65°3%
- Fri94°66°0%
- Sat92°65°0%
- Sun87°63°0%
- Mon84°57°3%
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
Tualatin peaks at about 69°F in August and bottoms near 39°F in January; December brings the heaviest rain (7.2 inches) and July the least (0.3 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 39° | 7.2″ | 23 |
| February | 41° | 5.5″ | 19 |
| March | 44° | 5.9″ | 22 |
| April | 50° | 3.9″ | 19 |
| May | 56° | 2.7″ | 17 |
| June | 62° | 1.7″ | 13 |
| July | 68° | 0.3″ | 4 |
| August | 69° | 0.5″ | 5 |
| September | 63° | 1.9″ | 10 |
| October | 53° | 5.7″ | 17 |
| November | 45° | 7.1″ | 21 |
| December | 39° | 7.2″ | 22 |
Regional context
In Tualatin, NOAA NCEI 1991-2020 normals put January near 39°F and July near 68°F — a 29°F seasonal arc — with about 49.7 inches of precipitation over 192 rainy or snowy days.
Tualatin's moisture rides winter storm tracks: December brings 7.2 inches over 21.9 wet days, while July sees only 0.3 inches across 4.2 days in the dry warm season. It is a winter-storm rhythm Tualatin shares with places like Durham, OR, Rivergrove, OR and King City, OR.
Once Tualatin 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 Tualatin, once nights clear the mid-40s°F. By early-October, frost is back in Tualatin — protect or harvest anything tender. A creek-bottom lot in Tualatin can lag Tualatin's last frost 7-10 days behind a south slope.
Similar climates: Durham, OR, Rivergrove, OR, King City, OR, Tigard, OR, Sherwood, OR.
Frequently asked
- When does it freeze in Tualatin?
- Frost typically leaves Tualatin by mid-May and returns to Tualatin near mid-October.
- What is the rainy season in Tualatin?
- December is the wettest month in Tualatin, about 7.2 inches on average; the year totals roughly 50 inches.
- What is the warmest month in Tualatin?
- Tualatin peaks in August, when the mean runs near 69°F.
- What is the coldest month in Tualatin?
- January is Tualatin's coldest month, averaging about 39°F.
- When can I start a vegetable garden in Tualatin?
- Hardy spring crops go in near mid-May in Tualatin; tender peppers and squash wait 10–14 days.
- How many rainy days does Tualatin get?
- Tualatin records around 192 days of measurable precipitation annually.
- What hardiness zone is Tualatin?
- Since January in Tualatin averages 39°F, Tualatin's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Tualatin?
- Tualatin'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 Tualatin?
- See this week's day-by-day rain chances for Tualatin in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Tualatin?
- Current conditions for Tualatin and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Tualatin forecast updated?
- The Tualatin forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Tualatin?
- Today's sunrise and sunset times for Tualatin 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 Tualatin?
- The next few days in Tualatin's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer Mediterranean climate of Tualatin, Oregon carries typical Januarys near 39°F and Julys around 68°F — 29°F of seasonal travel.
Tualatin sees close to 50 inches of precipitation annually, falling across some 192 wet days.
Tualatin sits at 45.4°N; that 29°F seasonal swing frames planting windows and frost dates across Tualatin.
ZIP codes in Tualatin
- 97062