Lake Martha, WA 7-Day Weather Forecast
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Lake Martha Weather Forecast


Lake Martha, WA Weather Forecast Date: 236 PM PDT Sun Aug 30 2026
Weather forecast for Lake Martha, WA
| Tonight Lo: 50°F Lo: 10°C |
Tonight... Partly cloudy. Lows in the upper 40s to mid 50s. Light wind. |
| Mon Hi: 70°FHi: 21°C Lo: 53°F Lo: 12°C |
Monday... Mostly sunny. Highs in the upper 60s to mid 70s. Light wind becoming northwest 10 to 15 mph in the afternoon. |
| Tue Hi: 70°FHi: 21°C Lo: 57°F Lo: 14°C |
Tuesday... Partly sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming southwest to 10 mph in the afternoon. |
| Wed Hi: 70°FHi: 21°C Lo: 53°F Lo: 12°C |
Wednesday... Mostly cloudy. A slight chance of rain in the morning, then rain likely in the afternoon. Highs near 70. |
| Thu Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Thursday... Cloudy with a chance of rain in the morning, then mostly cloudy with showers likely and a slight chance of thunderstorms in the afternoon. Highs near 70. |
| Fri Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Friday... Partly sunny. A chance of rain in the morning, then a slight chance of rain in the afternoon. Highs near 70. |
| Sat Hi: 73°FHi: 23°C Lo: 51°F Lo: 11°C |
Saturday... Partly sunny with a slight chance of rain. Highs in the lower to mid 70s. |
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