Oregon · NWS PQR office

Forest Grove, OR weather

It is 50°F and partly cloudy at Portland-Hillsboro Airport as of Oct 27, 7:53 PM PDT. Overnight: Rain Showers, low near 41°F, 78% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 4:41 AM PDT.

Updated Oct 28, 5:28 AM PDT (snapshot)

Current conditions

Temperature

50°F

Partly Cloudy

Wind

S 6 mph

Humidity 76% · dew point 43°F

Pressure · visibility

30.04 inHg

Visibility 10 mi

Observed at Portland-Hillsboro Airport (KHIO), Oct 27, 7:53 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Forest Grove forecast zone right now.

Around the NWS PQR forecast area

No active alerts in zones served by the PQR office near Forest Grove.

From the alert snapshot of Oct 28, 2026, 8:14 AM EDT. No alerts are active anywhere in Oregon.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Forest Grove (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM44°FRain Showers78%SSW 6 mph
Wed 6 AM43°FRain Showers Likely69%SSW 5 mph
Wed 7 AM42°FRain Showers Likely72%SW 5 mph
Wed 8 AM43°FRain Showers Likely71%SW 3 mph
Wed 9 AM43°FChance Rain Showers42%SSW 3 mph
Wed 10 AM47°FRain Showers Likely59%SSW 3 mph
Wed 11 AM50°FRain Showers Likely61%SW 5 mph
Wed 12 PM53°FChance Rain Showers50%WSW 6 mph
Wed 1 PM54°FRain Showers Likely56%WSW 6 mph
Wed 2 PM54°FChance Rain Showers34%SW 7 mph
Wed 3 PM55°FChance Rain Showers54%WSW 6 mph
Wed 4 PM54°FChance Rain Showers39%WSW 6 mph
Wed 5 PM54°FChance Rain Showers27%SW 3 mph
Wed 6 PM51°FSlight Chance Rain Showers21%SSW 2 mph
Wed 7 PM47°FSlight Chance Rain Showers22% 0 mph
Wed 8 PM45°FPartly Cloudy13% 0 mph
Wed 9 PM43°FPatchy Fog14% 0 mph
Wed 10 PM42°FPatchy Fog24% 0 mph
Wed 11 PM41°FAreas Of Fog16% 0 mph
Thu 12 AM40°FAreas Of Fog19% 0 mph
Thu 1 AM39°FAreas Of Fog21% 0 mph
Thu 2 AM39°FAreas Of Fog20% 0 mph
Thu 3 AM39°FAreas Of Fog5% 0 mph
Thu 4 AM38°FAreas Of Fog29% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Forest Grove can differ.

7-day forecast

Overnight

Low 41°F

Rain showers. Mostly cloudy. Low around 41, with temperatures rising to around 44 overnight. South southwest wind around 6 mph. Chance of precipitation is 80%.

Wednesday

High 56°F·Low 33°F

Rain showers likely. Partly sunny. High near 56, with temperatures falling to around 54 in the afternoon. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: A slight chance of rain showers before 8pm, then patchy fog between 9pm and 10pm, then areas of fog and a chance of rain showers. Partly cloudy. Low around 33, with temperatures rising to around 37 overnight. South southwest wind around 2 mph. Chance of precipitation is 30%.

Thursday

High 55°F·Low 34°F

Areas of fog before noon, then a chance of rain showers. Mostly cloudy, with a high near 55. North wind around 1 mph. Chance of precipitation is 40%.

Thursday Night: A chance of rain showers before midnight, then a chance of rain showers and patchy fog between midnight and 2am, then areas of fog and a chance of rain showers. Mostly cloudy, with a low around 34. Wind around 0 mph. Chance of precipitation is 40%.

Friday

High 54°F·Low 31°F

Areas of fog and a chance of rain showers before 5pm. Partly sunny, with a high near 54. Chance of precipitation is 50%.

Friday Night: Areas of fog between 11pm and 3am, then areas of fog and patchy frost. Partly cloudy, with a low around 31.

Saturday

High 55°F·Low 31°F

Widespread frost and areas of fog before 11am, then a slight chance of rain. Partly sunny, with a high near 55.

Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 31.

Sunday

High 57°F·Low 32°F

A slight chance of rain before 10am. Mostly sunny, with a high near 57.

Sunday Night: Partly cloudy, with a low around 32.

Monday

High 59°F·Low 36°F

Partly sunny, with a high near 59.

Monday Night: Mostly cloudy, with a low around 36.

Tuesday

High 61°F

Partly sunny, with a high near 61.

Nearby cities

Larger cities in the area

Other cities in Washington County

See every city we cover in Oregon, or check all active alerts.

About this forecast

Forecast office
Forest Grove is served by the National Weather Service PQR forecast office, forecast zone ORZ109, county zone ORC067.
Location used
The Census Bureau's internal point for Forest Grove (45.5248, -123.1099), in Washington County. Population: 27,076 (2024 estimate), number 24 of the 30 Oregon cities on this site.
Radar
Nearest NWS radar: KRTX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/45.5248,-123.1099 (forecast issued Oct 28, 4:41 AM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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