What is today's weather forecast for Lake Billy Chinook State, OR?

Today's forecast for Lake Billy Chinook State shows a low of 49 degrees Fahrenheit. A 30 percent chance of rain, mainly before 1am.

What is the 7-day weather forecast for Lake Billy Chinook State, OR?

The 7-day forecast for Lake Billy Chinook State shows highs from 51 to 59 degrees and lows from 35 to 49 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Lake Billy Chinook State, OR this week?

Yes, rain is possible in Lake Billy Chinook State this week. Precipitation chances: Tuesday (30% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Lake Billy Chinook State weather forecast?

WeatherForYou provides highly accurate Lake Billy Chinook State forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Lake Billy Chinook State, OR Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

59°F
Feels Like 59°F

Humidity 65% Dew Point 48°F Wind SSW 13 MPH Gusts 31 Barometer N/A

Report from a MADIS/MESONET weather station 2.8 mi. SSE of central Lake Billy Chinook State
at 10:50 PM Tue, Dec 9, 2025

Point Forecast at a Glance

TueDec 9

30%

WedDec 10

ThuDec 11

FriDec 12

SatDec 13

SunDec 14

50%

MonDec 15

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 53°F to 59°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 15°F above the historical average for December. Normal highs for this period are around 41°F with lows around 23°F.

This Date in Weather History

1987 - The fifth storm in nine days kept the northwestern U.S. wet and windy. Winds along the coast of Washington gusted to 75 mph at Oceans Shores and at Hoquiam, and the northern and central coastal mountains of Oregon were drenched with three inches of rain in ten hours, flooding some rivers. Snowfall totals in the Cascade Mountains of Washington State ranged up to 36 inches in the Methow Valley. High winds in Oregon blew a tree onto a moving automobile killing three persons and injuring two others at Mill City.

Lake Billy Chinook State, OR 7 Day Weather Forecast Details

Tuesday Dec 9

Night: A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 49. Southwest wind around 16 mph, with gusts as high as 23 mph.

Wednesday Dec 10

Day: Partly sunny, with a high near 59. Southwest wind around 17 mph, with gusts as high as 34 mph.

Night: Mostly cloudy, with a low around 43. Southwest wind around 14 mph, with gusts as high as 22 mph.

Thursday Dec 11

Day: Partly sunny, with a high near 58. South wind 10 to 13 mph.

Night: Partly cloudy, with a low around 36. South wind around 6 mph.

Friday Dec 12

Day: Mostly sunny, with a high near 57.

Night: Partly cloudy, with a low around 35.

Saturday Dec 13

Day: Mostly sunny, with a high near 56.

Night: Partly cloudy, with a low around 37.

Sunday Dec 14

Day: A slight chance of rain. Partly sunny, with a high near 53.

Night: A slight chance of rain. Mostly cloudy, with a low around 38.

Monday Dec 15

Day: A chance of rain. Mostly cloudy, with a high near 55.

Night: Rain likely. Mostly cloudy, with a low around 40.

Tuesday Dec 16

Day: A chance of rain. Partly sunny, with a high near 51.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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