Chesapeake Bay - Hart-Miller Island Weather Forecast
- 75
- 87
Severe Tstms
- 67
- 86
Chance Thunderstorms
- 69
- 79
Sunny
- 71
- 80
Partly Sunny
- 72
- 81
Partly Sunny
- 75
- 84
Slight Chance Thunderstorms
Today 21 Jul Southern Baltimore
Cloudy. A chance of Showers and Thunderstorms in the Morning, then Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce damaging Winds and large hail in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 80 percent.
Tonight 21 Jul Southern Baltimore
Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may produce damaging Winds and large hail in the evening. Lows in the lower 70s. Southwest Winds around 10 Mph. Chance of rain 80 percent.
Chesapeake Bay - Hart-Miller Island Temperature Statistics
July Temperature
Baltimore / Martin (6.8 miles)
Lowest 13 July, 2026
66.2 °FAverage July
79.9 °FHighest 3 July, 2026
98.6 °F
Climate (2021–2026)
Baltimore / Martin (6.8 miles)
Average Low 2021–2026
48.4 °FAverage 2021–2026
55.3 °FAverage High 2021–2026
64.9 °F