See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:31
Sunset
Moon
Waxing Gibbous
18:37
Moonrise
06:42
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Puerto Williams.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Puerto Williams.
View stargazing scoreWeather in Puerto Williams today, September 25, 2026
Conditions in Puerto Williams on September 25, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. The morning carries the wetter risk, with rain chances near 98% and the highest odds around 09:00. Cloud is also thick early on, peaking near 99% around 09:00.
Temperatures climb from an overnight low near 1°C toward a daytime high of about 4°C. The air stays humid, with relative humidity between 71% and 97% and the peak around 09:00. A lighter breeze peaks around 15:00 near 5.7 km/h.
The second half of the day still looks unsettled, with rain probability around 98% by 12:00. Dense cloud near 93% at 12:00 keeps the feel grey. Horizontal visibility sits around 7.0 km, briefly nearer 0.0 km. Daylight runs from 07:10 to 19:31, lasting 12 hours 20 minutes of sunlight today.
Overall, Puerto Williams on September 25, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 98% and the high sits around 4°C.
Frequently asked questions about weather in Puerto Williams
How warm does it get in Puerto Williams?
The warmest month in Puerto Williams is February, with average high temperatures of 13°C. The average temperature during this period is around 9°C.
How cold does it get in Puerto Williams?
The coldest month in Puerto Williams is July, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Puerto Williams?
The wettest month in Puerto Williams is January, with an average of 124mm of precipitation.
What is the driest time of year in Puerto Williams?
The driest month in Puerto Williams is June, with an average of 44mm of precipitation.