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
06:57
Sunrise
19:08
Sunset
Moon
Waxing Crescent
12:46
Moonrise
21:28
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Belmont.
Resources
UV Index
Humidity
Weather in Belmont today, September 16, 2026
Plan for bright conditions in Belmont on September 16, 2026, though cloud cover thickens for a spell near 16:00. The day as a whole still leans toward sunshine. The morning looks comparatively open, with cloud near 5% around 11:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 23°C and cools toward 12°C. Expect humidity between 68% and 93%, most humid near 06:00. Expect gentle winds, highest near 13:00 at 7.0 km/h.
Expect a more open afternoon, with limited cloud around 22% by 16:00. Residual damp risk should be lower than earlier. Expect visibility near 15.7 km, with poorer spells close to 13.8 km. The sun rises at 06:57 and sets at 19:08, for a total of 12 hours 11 minutes of sunlight today.
The practical takeaway for Belmont is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Belmont
How warm does it get in Belmont?
The warmest month in Belmont is September, with average high temperatures of 24°C. The average temperature during this period is around 18°C.
How cold does it get in Belmont?
The coldest month in Belmont is February, with average low temperatures of 8°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Belmont?
The wettest month in Belmont is January, with an average of 113mm of precipitation.
What is the driest time of year in Belmont?
The driest month in Belmont is July, with an average of 0mm of precipitation.
Explore more weather forecasts
- San Carlos, California
- New York City, New York
- Foster City, California
- Los Angeles, California
- Redwood City, California
- Brooklyn, New York
- San Mateo, California
- Chicago, Illinois
- Burlingame, California
- Houston, Texas
- Hillsborough, California
- Queens, New York
- Menlo Park, California
- Phoenix, Arizona
- Millbrae, California
- Philadelphia, Pennsylvania
