Weather in Hartline, WA
Updated 2026-09-26 08:00 local time · ZIP codes 99135
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
41°4% rain43°3% rain46°1% rain48°1% rain50°1% rain52°1% rain53°0% rain54°0% rain54°0% rain
54°3% rain
53°9% rain
59°10% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 10%).
It feels like 39°F with winds near 4 mph.
54°F, 0% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 41°F, wind 4 mph, rain chance up to 10%.
UV index is 0.
Local weather characteristics in Hartline
Washington has a mild, wetter marine climate west of the Cascades and a much drier interior climate east of the mountains. Terrain creates strong local rain, snow and temperature differences.
Hartline is part of the West weather region. The forecast point is near 47.69°N latitude and 119.11°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Hartline weather today
Sunny and 41°F in Hartline, WA. Today's high is 59°F with a 2% rain chance. Winds are around 4 mph with gusts near 5 mph. Relative humidity is 62%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hartline
Sunrise is at 06:48 AM and sunset is at 06:46 PM. Tomorrow's forecast calls for Sunny with a high near 60°F and a low near 45°F. The maximum rain chance is 4%.