See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
17°
Overcast
Feels Like: 14°
Min: 9°
Max: 23°
The next few hours will be overcast, with today reaching 23°C and dropping to 12°C. The coming days will be partly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:42
Sunrise
19:00
Sunset
Moon
Waxing Crescent
12:00
Moonrise
20:18
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Tri-Cities today, September 15, 2026
Tri-Cities looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Expect a grey start, with morning cloud around 100% by 10:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 9°C toward a daytime high of about 23°C. The air stays humid, with relative humidity between 36% and 67% and the peak around 10:00. A lighter breeze peaks around 17:00 near 2.6 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Sunrise is at 06:42 and sunset at 19:00, giving 12 hours 18 minutes of sunlight today.
Overall, Tri-Cities on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 23°C.
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