Williamstown Weather Today — South Australia, Australia
Current temperature, rain chance, humidity, wind and air quality in Williamstown, plus an hourly and 3-day forecast. Updated through the day.
18:35
Sat, 19 Sep 2026
📍 South Australia, Australia
Williamstown??
15
°C
Clear
Feels 12°C · 59°F
💧 51% Humidity
💨 → 9 km/h E
👁 10 km Visibility
🌧 0 mm Precip
☁ 0% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1022
hPa · 30.19 in
💨 Wind
9
km/h · Gust 27 km/h
→ E
💧 Humidity
51%
Dew point 5°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
15.1°
Wind chill 15.1°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:08 AM
🌇
Sunset
06:08 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
22°
/
9°
💧38%
🌧0mm
💨13
☀️UV 7.8
Sunday
20 Sep 2026
Sunny
22°
/
12°
💧52%
🌧0.35mm
💨27
☀️UV 7
Monday
21 Sep 2026
Sunny
13°
/
7°
💧67%
🌧0.14mm
💨17
☀️UV 7
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