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Boston Weather: 72.0°F | Mostly Cloudy

Weather: No Rain On My Parade

By Robert Korty
STAFF METEOROLOGIST -- A cold front over the Great Lakes states today will move slowly eastward over the weekend, bringing a small chance of scattered showers to Boston Saturday evening. Another system will develop in the Southern Plains on Saturday, then move northeast and bring a chance of rain to Boston Sunday night into Monday.

Aside from these two weak systems, most of the weekend will be nice: skies should be partly cloudy with above normal temperatures. At this point, it looks like the rain Monday morning has a chance of clearing in time for the running of the Boston marathon, but timing the exit of a system three days ahead is a dangerous job.

Extended Forecast

Today: Partly cloudy and warmer. High of 59F (15C).

Tonight: Partly cloudy with a low in the upper 40s F (8 to 9C).

Tomorrow: Partly cloudy with a slight chance of a passing afternoon shower. High of 68F (20C).

Sunday: Partly sunny and mild. High in the lower 60s F (16 to 17C).

Monday: A chance of rain showers Sunday night and early Monday, then becoming partly cloudy. Low Sunday night near 50F (10C); high on Monday in the lower 60s F (16 to 17C).