Baltimore rolled out of bed early Tuesday to a brisk 39°F, with a Freeze Warning in effect through 10:00 a.m. Gardeners and anyone with exposed outdoor plumbing are on notice, as areas away from the Inner Harbor are the most likely to slip to freezing. The good news: skies clear quickly, sunshine takes over, and temperatures rebound to a high near 59°F with light southeast winds, so the early chill will not stick around for long.
Freeze Warning Through 10 a.m.
The National Weather Service has a Freeze Warning posted through 10:00 a.m. Tuesday and cautions that low temperatures in outlying spots could drop into the upper 20s to low 30s, which could "kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing." According to the National Weather Service, the greatest threat is outside urban heat islands like the Inner Harbor, so now is the time to cover or move tender plants and insulate hose bibs.
Sunny Tuesday, Then A Midweek Warmup
Once the early freeze risk passes, sunshine should nudge highs into the upper 50s Tuesday, with only light winds. Tuesday night looks comparatively mild, with lows in the low 50s. A warm front followed by a quick moving cold front is expected midweek, with rain showers likely on Wednesday, highs near 70, and roughly a 60% chance of precipitation. A few isolated thunderstorms are possible. Forecasters highlight the rapid temperature swing and the timing of those showers in local coverage from The Washington Post.
What To Do: Plants, Pipes, Commute
To avoid an unpleasant surprise, move potted plants indoors or cover them, disconnect garden hoses, and insulate exposed spigots to cut the risk of freeze damage. Morning commuters should stay alert for patchy frost on bridges and shaded roads. Boaters are advised to check marine forecasts for choppy conditions and any small-craft advisories before heading out. The chill should ease by late morning, setting up a warmer stretch through Thursday.
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