Humid cities · Maryland
How humid is Baltimore in summer?
Baltimore right now
45°FOvercast skies
- Today47°F / 46°FClouds
- Tomorrow51°F / 43°FClouds
- Monday51°F / 37°FClear skies
Even the sun looks bored.
Live from OpenWeatherMap. Alerts from the National Weather Service.
Across June, July and August, the dew point in Baltimore averages about 64°F, which is sticky on the usual dew point scale.
July is the muggiest month, with the dew point averaging about 65.7°F. On NOAA’s hour by hour normals, about 915 hours, about 10% of the year, average a dew point of 65°F or more. That makes it the 41st most humid summer of the 124 US cities we track.
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The highest dew point in the forecast for the next 48 hours is about 38°F, which is dry.
Baltimore’s summer dew point averages about 64°F. The harbour air does a lot of heavy lifting in July.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer humidity at a glance
| Dew point, June to August | 64°F |
|---|---|
| Muggiest month | July, 65.7°F |
| Hours a year at a 65°F dew point or more | 915 (10%) |
| How summer feels | sticky |
The dew point is the temperature the air would have to cool to for dew to form, so the higher it is, the more water the air holds. Forecasters usually call under 55°F comfortable, 55 to 65°F sticky and 65°F or more muggy; 70°F or more feels tropical.
Cities with about the same summer air
- Lexington, Kentucky: about 64.3°F
- Omaha, Nebraska: about 63.7°F
- Cincinnati, Ohio: about 63.5°F
More about the weather here
Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00093721. Average dew points, not the stickiest days.