San Juan Weather Today — Washington, United States
Current temperature, rain chance, humidity, wind and air quality in San Juan, plus an hourly and 3-day forecast. Updated through the day.
11:45
Sun, 20 Sep 2026
📍 Washington, United States
San Juan??
30
°C
Partly Cloudy
Feels 34°C · 86°F
💧 65% Humidity
💨 → 15.8 km/h E
👁 10 km Visibility
🌧 0 mm Precip
☁ 54% Cloud
☀️ UV Very High
🌿 AQI Good
☀️ UV Index
8.4
Very High
🔵 Pressure
1014
hPa · 29.96 in
💨 Wind
15.8
km/h · Gust 16.6 km/h
→ E
💧 Humidity
65%
Dew point 22.8°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
34°
Wind chill 30°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:13 AM
🌇
Sunset
06:22 PM
📅 3-Day Forecast
Sunday
20 Sep 2026
Patchy rain nearby
31°
/
26°
💧73%
🌧1.17mm
💨27
☀️UV 10.2
Monday
21 Sep 2026
Partly Cloudy
31°
/
26°
💧74%
🌧1.19mm
💨27
☀️UV 11
Tuesday
22 Sep 2026
Patchy rain nearby
31°
/
27°
💧73%
🌧0.41mm
💨28
☀️UV 10.9
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