Weather WorldMarkham, WA Weather Forecast
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Markham Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 66°FHi: 19°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 67°FHi: 19°C | Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Thu Sep 03 2026 
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Issued: 1018 AM PDT Thu Sep 3 2026
Aviation
... South to southwest flow aloft for at least the first half of the day today before shifting more southeasterly to southerly as an an upper low digs southwards along the Washington coast. Although some terminals have seen their winds go light and variable, majority are reporting south to southeasterly with speeds running 5-10 kts.
Widespread VFR conditions this morning although isolated spots of MVFR can be found along the coast and over the islands. With showers over the western half o...