Seattle and Waterloo Region forecast sunny autumn weather

Western Washington and the Waterloo Region are both expecting periods of clear skies and mild autumn weather over the coming week.

In Seattle and the surrounding Western Washington area, an upper-level low-pressure system moving south offshore will allow clouds to thin. Residents can expect patchy fog on Tuesday morning that should clear by midday, followed by afternoon sunshine with highs in the low 60s. While a weak front may bring showers to higher elevations on Thursday and potentially Friday morning, high pressure is expected to return by Friday afternoon. Forecast models show uncertainty regarding a potential system bringing rain and gusty winds over the weekend.

In the Waterloo Region, Environment Canada forecasts a stretch of sunny skies through Wednesday. Temperatures are expected to remain mild, with daytime highs ranging between 14°C and 16°C. Overnight lows will be cooler, dropping as low as 0°C on Tuesday. Partial cloud coverage is projected to move into the region starting Thursday and continuing through Friday.