Maryland State Climatologist Office

Maryland Mesonet Near Real-Time Temperatures Dashboard

Surface observation mapping suite across Maryland, including wind chill and excessive heat conditions.

Current Surface Air Temperature (°F)

Map updates automatically every 15 minutes.

Heat Index Monitoring
& Heat Stress

Monitor real-time high-temperature heat indices, localized humidity heat stress risk bands, and agricultural heat indexes.

  • Live Apparent Temperature Heat Index Maps
  • Excessive Heat Risk Levels
View Heat Index Maps