Today, Saturday, September 12, Seattle can expect mostly cloudy conditions with a brief shower in the afternoon. The high will be around 66°F, while the overnight low will drop to 55°F. Winds will be from the north-northwest at around 6 mph, with gusts up to 2 mph. The maximum UV index is 2 (low), indicating weak solar activity. Humidity will be high, while visibility will remain good. The Moon is in the waxing crescent phase: moonrise is at 8:39 am, and moonset is at 7:48 pm. Sunrise will be at 6:42 am and sunset at 7:28 pm, for 12 hours and 46 minutes of daylight. Air quality is rated as poor (AQI 59), which may be harmful to sensitive groups—reducing time outdoors is recommended if symptoms of respiratory irritation appear. The primary pollutants are nitrogen dioxide and fine particulate matter. Periods of rain are expected overnight.
| Day | Date | Weather | Temp. (high/low) | Precipitation | Wind |
|---|---|---|---|---|---|
| Sat | Sep 12 | 🌦️ Light rain in the afternoon | 66° / 55° | 55% | NNW 6 mph |
| Sun | Sep 13 | 🌧️ Light rain in the morning, then partly cloudy | 63° / 57° | 56% | SSW 9 mph |
| Mon | Sep 14 | ⛅ Partly cloudy | 70° / 54° | 25% | SSW 6 mph |
| Tue | Sep 15 | 🌤️ Pleasant, clouds and sunshine | 70° / 55° | 6% | N 7 mph |
| Wed | Sep 16 | ☀️ Sunny | 73° / 54° | 4% | N 7 mph |
| Thu | Sep 17 | ☀️ Warm and sunny | 81° / 55° | 2% | N 6 mph |
| Fri | Sep 18 | ☀️ Sunny and warm | 79° / 54° | 6% | WNW 6 mph |
| Sat | Sep 19 | 🌤️ Sunshine through the clouds | 75° / 55° | 3% | S 5 mph |
| Sun | Sep 20 | ⛅ Partly cloudy | 72° / 54° | 3% | E 1 mph |
| Mon | Sep 21 | 🌧️ Rain in the morning, then cloudy | 72° / 55° | 76% | SSW 10 mph |
Over the next few days, weather conditions in Seattle are expected to gradually improve: following a rainy weekend, mostly sunny and dry weather will settle in, accompanied by a gradual warming trend. Temperatures will reach comfortable levels by midweek, and by Thursday, temperatures will rise to 81°F—the warmest day of the period. However, at the beginning of next week, on September 21, a significant deterioration is expected again, with rain and a precipitation chance of up to 76%.