Summer temperatures · Maryland
How hot does Baltimore get 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.
In a typical summer, June to August, Baltimore averages highs around 87°F and lows around 65°F.
About 34 days a year reach 90°F or hotter, and about one reaches 100°F. About 111 days a year get to 80°F or warmer. That makes it the 52nd hottest summer of the 129 US cities we track.
Last updated
The hottest high in the forecast for the next 48 hours is about 51°F.
Baltimore’s summer lows average about 65°F, so the harbour breeze actually turns up in time to be useful.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 87°F |
|---|---|
| Average summer low | 65°F |
| Days a year at 80°F or warmer | 111 |
| Days a year at 90°F or hotter | 34 |
| Days a year at 100°F or hotter | 1 |
| Average winter high, for comparison | 46°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Omaha, Nebraska: highs around 86°F, lows around 66°F
- Grand Junction, Colorado: highs around 92°F, lows around 61°F
- Lincoln, Nebraska: highs around 87°F, lows around 64°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00093721.