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Grass Valley, OR Weather
It is 27°F in Grass Valley, OR, observed at 2:15 AM PDT. Today: Mostly Cloudy then Slight Chance Rain Showers, high 46°F, low 34°F. Hourly and 7-day forecast from the National Weather Service. Times are local (PDT).
Grass Valley, OR current weather
27°F
Mostly Cloudy then Slight Chance Rain Showers
H 46° / L 34°Feels like 27°
Observed at FW0649 Dufur (18.6 mi away), 10/31/2026, 2:15 AM PDT
7-day forecast
Tap a day for details
Today10/3118% chance of precipitationLow 34°High 46°
Saturday: A slight chance of rain showers after 5pm. Mostly cloudy. High near 46, with temperatures falling to around 44 in the afternoon. East wind 1 to 7 mph. Chance of precipitation is 20%.
Overnight: Partly cloudy, with a low around 34. Northeast wind around 2 mph.
Mostly Cloudy then Slight Chance Rain ShowersSun11/110% chance of precipitationLow 33°High 51°
Sunday: Mostly sunny, with a high near 51. West wind around 5 mph.
Sunday Night: Mostly clear, with a low around 33. Southwest wind around 6 mph.
Mostly SunnyMon11/2Low 38°High 49°
Monday: Partly sunny, with a high near 49.
Monday Night: Cloudy, with a low around 38.
Partly SunnyTue11/3Low 36°High 50°
Tuesday: Partly sunny, with a high near 50.
Tuesday Night: Mostly cloudy, with a low around 36.
Partly SunnyWed11/413% chance of precipitationLow 37°High 53°
Wednesday: Partly sunny, with a high near 53.
Wednesday Night: Mostly cloudy, with a low around 37.
Partly SunnyThu11/535% chance of precipitationLow 36°High 53°
Thursday: Partly sunny, with a high near 53.
Thursday Night: A chance of rain showers after 10pm. Mostly cloudy, with a low around 36.
Partly SunnyFri11/635% chance of precipitationLow High 52°
Friday: A chance of rain showers before 4pm. Partly sunny, with a high near 52.
Chance Rain Showers
Forecast for 45.361, -120.784 from the NWS PDT office, updated 10/30/2026, 11:46 PM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Grass Valley, OR right now?
- The latest observation from FW0649 Dufur was 27°F, reported at 10/31/2026, 2:15 AM PDT.
- What is the high temperature today in Grass Valley, OR?
- The National Weather Service forecast for saturday calls for a high near 46°F. Mostly Cloudy then Slight Chance Rain Showers.
- What time is sunrise and sunset in Grass Valley, OR today?
- Sunrise is about 7:41 AM PDT and sunset is about 5:51 PM PDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Grass Valley, OR?
- At Moro, the 1991 to 2020 normal high in October is 62°F and the normal low is 36°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.02 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Oregon hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: GRASSHOPPER Fire (93,972 acres), 0476 HOAG Fire (50,224 acres), 0584 COTTONWOOD Fire (15,658 acres), 0485 DEEP CANYON Fire (9,170 acres), 0482 CHERRY CREEK Fire (16 acres)
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Sunnyside)
- GoodPM2.5
Drought
By countySherman County, week of 10/27/2026
13% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:41 AM
- Sunset
- 5:51 PM
- Daylight
- 10 hr 10 min
- Moon
- Waning Gibbous 72% lit
- First light (civil dawn)
- 7:10 AM
- Last light (civil dusk)
- 6:22 PM
- Moonrise
- 10:47 PM
- Moonset
- 1:59 PM
Normal October weather
ClimateNormal October high 62°, low 36°, precipitation 1.06 in for the month. 1991 to 2020 normals at Moro, 9 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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