Current weather
Checking the latest reportMeasured conditions from the National Weather Service.
BEFORE YOU HEAD OUT
Waltham weather, air quality and conditions
Plan around Waltham’s forecast, nearby weather observations and current regional air reports.
Peak UV forecast
Checking the forecastThe EPA's daily peak forecast, with its own forecast date.
UV index guide ↗Weather alerts
Checking local alertsOfficial alerts covering the Waltham area.
View the official forecast and alerts ↗Forecast
Forecast
Loading the latest saved NWS forecast…
Official NWS forecast ↗Gas prices
View the gas guide for available station reports and their report times. Confirm pump prices and any cash or membership conditions with the station.
Air quality and roads
Current air-quality and highway information from the official services.
Check air quality and road closures before heading out. For pollen levels, consult a local allergy forecast.
Sunrise and sunset
Plan around sunrise, sunset and the golden-hour windows, calculated for Waltham and shown in Eastern time.
Plan a golden hour →Conditions update throughout the day.
Rivers and streams
Latest readings from U.S. Geological Survey gauges near Waltham. Provisional data, not a flood forecast; follow National Weather Service flood warnings.
Charles River at Waltham, MA
1.2 miles from the city center
- Flow
- Gage height
- Water temperature
Beaver Brook, Linden Street, at Waltham, MA
1.2 miles from the city center
- Flow
- Gage height
- Water temperature
Hobbs Bk below Cambridge Reservoir near Kendall Green, MA
1.7 miles from the city center
- Flow
- Gage height
- Water temperature
Stony Brook, Unnamed Tributary 1, near Waltham, MA
1.8 miles from the city center
- Flow
- Gage height
- Water temperature