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City of Gaston, OregonGaston, OR 7-Day Night Weather Forecast
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Gaston, OR Weather Forecast
Gaston, OR Weather Forecast Date: 202 PM PDT Fri Sep 25 2026
The area/counties/county of: Tualatin Valley, including the cities of: Sherwood, Hillsboro, Forest Grove, Rockcreek, and Tigard.or toggle through each period.
This Afternoon... Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 60s. West wind 5 to 10 mph. Chance of rain 50%. Rainfall amounts less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 40s. Winds light in the evening, becoming light and variable.
Saturday... Patchy fog in the morning. Mostly sunny. Highs in the mid 60s. North wind 5 to 10 mph.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. Winds light.
Sunday... Mostly sunny. Highs around 70. Winds light.
Sunday Night... Mostly clear. Lows in the mid 40s.
Monday... Mostly sunny. Highs in the upper 60s.
Monday Night... Partly cloudy. Lows in the upper 40s.
Tuesday... Mostly cloudy with a 20% chance of rain. Highs in the mid 60s.
Tuesday Night... Mostly cloudy. Lows around 50.
Wednesday... Mostly cloudy with a 20% chance of rain. Highs in the upper 60s.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. A 20% chance of rain. Lows in the upper 40s.
POP = Probability of Precipitation
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