Todays Weather in Baltimore · 12 May 2026 · 3 min

Frost Watch, Tuesday Sun & Wednesday Storms: Your Week Ahead

A frost watch is in effect for Baltimore's northern suburbs tonight, with temperatures possibly dipping into the thirties near the Pennsylvania line. Tuesday brings a pleasant rebound into the low seventies before storms roll in Wednesday — here's what to expect and how to plan.

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Frost Watch, Tuesday Sun & Wednesday Storms: Your Week Ahead

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Frost Watch Tonight

A frost watch is in effect for parts of the Baltimore area tonight, and if you've got anything planted outside, this is the warning you don't want to miss. Temperatures are dropping into the mid to upper forties for most of the metro area, but the northern suburbs near the Pennsylvania line could dip into the thirties.

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Late Season Cold Signal

Here's what makes tonight more than just a chilly evening. The last time Baltimore recorded a frost this late in the season was May eleventh, nineteen sixty-six, when the temperature at BWI dropped to thirty-two degrees.

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Tuesday Forecast and Commute

Tuesday is the easy day. The morning starts chilly, so keep the jacket on.

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Wednesday Storm Development

The weather pattern shifts meaningfully on Wednesday. Showers develop, and storms are likely to follow.

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Weekend Recovery Outlook

The important distinction is that Wednesday doesn't define the week. Conditions improve as you move toward the weekend, with drier air returning and temperatures continuing to warm.

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Key Takeaways

To pull this together: cover your plants tonight if you're near the northern suburbs, dress in layers for Tuesday morning and peel them off by afternoon, and don't schedule anything outside Wednesday without a contingency. The weekend looks fine.

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