Thursday, 11 April 2013

Boston weather forecast for Apr. 12, 2013

Boston weather forecast for Apr. 12, 2013, Forecast discussion: After some morning showers, a low pressure system moved offshore, leaving us with some drizzle and gray skies for Boston on Thursday.

As we move into Friday, a cold front that is bringing heavy rain to the Ohio River Valley this evening will move into Southern New England.

I am expecting the heaviest precipitation starting around the late morning, and continuing into the afternoon. Also, winds will be increasing, so some of that rain may be wind driven at times.

I am not expecting any rivers to flood, despite predicting around an inch of rain. However, some street flooding is possible, especially by the evening commute.

As we move into Friday night, the front will move offshore, and our precipitation will taper off to some showers. The precipitation should end by dawn Saturday morning.

As we move through the weekend, a weak cold front will pass through the area, but it will not create any precipitation.

Our temperatures should also climb back to seasonable conditions, with highs in the middle to upper 50’s for the weekend.

We should see more sunshine on Saturday, as that weak front develops more clouds than sunshine for Sunday.

The high will continue to influence our weather to start the workweek, before a new low pressure system brings the chance for some showers Tuesday morning.

Based on the computer models, I see more widespread showers by Tuesday evening, lasting into the early morning hours on Wednesday.

By the middle of the week, a frontal boundary will move over Southern New England, and bring more precipitation on Thursday.

Temperatures will remain in the upper 50’s, and we could see some locales reach the lower 60’s.

72 hour forecast:

Tonight: An isolated shower as we approach midnight, with steady rain by 2 a.m. We will see a low of 38 with winds increasing towards dawn.

Friday: Precipitation turning to heavy rain by the late morning, before tapering to showers by the late evening.

It will be windy with the high only reaching 40. Winds will come from the east-southeast at 19-24 mph with gusts as high as 35 knots.

Fenway Park Forecast (7:10 p.m. vs. Tampa Bay Rays): Showers, 38.
Friday night: Showers ending around dawn with a low of 37. Winds will be decreasing from the north at 6-9 mph with patchy fog developing after midnight.

Saturday: Mostly sunny and warmer with a high of 53.
Saturday night: Partly to mostly cloudy with a low of 38.
Sunday: Partly sunny with a high of 55.
Sunday night: Mostly cloudy with a low of 37.

Extended forecast:
Monday: Mostly sunny. Highs 57-60, lows 44-47.
Tuesday: Mostly cloudy with showers possible by the morning. Highs 60-63, lows 43-46.
Wednesday: Showers ending in the early morning, with mostly sunny skies by the afternoon. Highs 60-63, lows 43-46.

Thursday: Increasing clouds in the early morning, with showers arriving by the late morning. Highs 59-62, lows 44-47.

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