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Washington, OK Weather Forecast
Washington, OK Weather Forecast Date: 535 PM CDT Sun Sep 20 2026
The area/counties/county of: Mcclain, including the cities of: Purcell, Newcastle, and Blanchard.or toggle through each period.
Tonight... Mostly cloudy with a chance of showers and thunderstorms this evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. East winds around 5 mph. Chance of rain 50%.
Monday... Mostly sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Tuesday... Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph.
Tuesday Night... Partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.
Wednesday... Mostly sunny. Highs in the mid 80s.
Wednesday Night... Mostly cloudy. Lows in the lower 60s.
Thursday... Partly sunny. Highs in the upper 80s.
Thursday Night... Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20%.
Friday... Partly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20%.
Friday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40%.
Saturday... Partly sunny. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 40%.
Saturday Night... Partly cloudy with a 20% chance of showers. Lows in the mid 60s.
POP = Probability of Precipitation
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