Tuesday Forecast

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4:46PM

DAYS 1-5 (AUGUST 29-SEPTEMBER 2)
Tropical moisture will pass south of New England tonight and early Wednesday, skirting the South Coast with rain and otherwise bringing some cloudiness to the region. A cold front traverses the region later Thursday with a shower and thunderstorm threat. A cool/dry air mass arrives for the end of the week including the start of the Labor Day weekend.
THROUGH EVENING: Mainly cloudy. Temperatures in the 60s to near 70. Wind light NE to E.
TONIGHT: Mainly cloudy. A period of rain possible after midnight favoring Islands & Cape Cod. Lows 52-57. Wind E 5-15 MPH except 15-25 MPH with higher gusts Nantucket.
WEDNESDAY: Mostly cloudy to partly sunny morning including a risk of rain early on Nantucket. Mostly sunny afternoon. Highs 70-77. Wind NE to N 5-15 MPH.
WEDNESDAY NIGHT: Mostly clear. Patchy fog. Lows 50-57. Wind W up to 10 MPH.
THURSDAY: Partly cloudy. Scattered mid to late afternoon showers/thunderstorms. More humid. Highs 70-75 South Coast, 75-80 elsewhere. Wind SW 10-20 MPH.
FRIDAY: Partly cloudy. Lows in the 50s. Highs from the upper 60s to lower 70s.
SATURDAY: Mostly sunny. Lows from the lower 40s interior valleys to lower 50s coast. Highs from the upper 60s to middle 70s.

DAYS 6-10 (SEPTEMBER 3-7)
Expecting 2 pushes of tropical moisture associated with the remnants of Harvey, the first largely failing and producing only isolated showers on September 3, the second combining with a trough from the west and bringing a better chance of showers on Labor Day, September 4. Additional showers/thunderstorms possible at times during the remainder of the period as a trough sets up in the Great Lakes and high pressure builds off the Atlantic Coast.

DAYS 11-15 (SEPTEMBER 8-12)
Same general pattern expected with temperatures variable but trending to above normal, with a few episodes of showers and thunderstorms, but the forecast is lower than average confidence at this point.

38 thoughts on “Tuesday Forecast”

    1. I have 2 major outdoor events for Sunday. At the moment I’m not worried about either. 🙂

  7. TK – Was your August forecast all THAT bad? I don’t recall what it was but don’t beat yourself up over it. Your accuracy is always impeccable from my standpoint.

    1. The temp forecast was not too bad but I under-forecast the western Atlantic high pressure and it was a lot drier in most locations than I expected.

  9. Trying to decide whether to shoot for a long weekend on the boat at Vineyard Haven, or head back north through the canal a week early. Fingers crossed that the Monday rain is delayed a bit until after sunset…

    1. Speaking of which, are we thinking a medium duration, cloudy, showery day like today but wetter, or just general evening thunderstorm chances?

  10. I notice that dry air is working into the western flank of Houston. Does this mean that rains will end overnight and residents will wake up to at least dry skies in the morning?

      1. Wouldn’t surprise me if many in Houston are seeing peaks of sun on the western horizon as it comes close to setting soon.

        1. As little as it is, I sure hope that before night arrives they can have something as positive as a little sunshine

    2. Sadly, it’s up to 30 now, according to the New York Times (Harvey Live Updates: Waters Still Rising as Death Toll From Storm Reaches 30 – The New York Times 8/30/17, 2:52 AM)

  16. Euro, GFS and CMC all still have this next tropical system. Euro seems to
    be the strongest of them all. Needs to be watched carefully.

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