Current weather
Checking the latest reportMeasured conditions from the National Weather Service.
BEFORE YOU HEAD OUT
Alpharetta weather, air quality and conditions
Plan around Alpharetta’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 Alpharetta area.
View the official forecast and alerts ↗Forecast
Forecast
Loading the latest saved NWS forecast…
Official NWS forecast ↗Gas prices
Live station pricing is not available yet. We’re working on a source that can show fuel type, report time and cash or membership conditions alongside each price.
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 Alpharetta and shown in Eastern time.
Plan a golden hour →Refresh schedule: observations every 15 minutes, alerts every 10 minutes, forecasts and AQI every 30 minutes, daily UV every 6 hours, and highway closures every 15 minutes. Source publication times can differ.
Rivers and streams
Latest readings from U.S. Geological Survey gauges near Alpharetta. Provisional data, not a flood forecast; follow National Weather Service flood warnings.
Big Creek near Alpharetta, GA
1.2 miles from the city center
- Flow
- Gage height
- Water temperature
Big Creek below Hog Wallow Creek at Roswell, GA
5.9 miles from the city center
- Flow
- Gage height
- Water temperature
Chattahoochee River above Roswell, GA
6.2 miles from the city center
- Flow
- Gage height
- Water temperature
Chattahoochee River near Norcross, GA
6.2 miles from the city center
- Flow
- Gage height
- Water temperature