Sunday April 27 2025 Forecast (8:00AM)

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DAYS 1-5 (APRIL 27 – MAY 1)

While yesterday’s showery, humid weather have been pushed out by a cold front, we don’t get to enjoy a sunny, pleasant day today and here’s why. A pool of very cold air aloft will be crossing the region during the day today with upper level low pressure. This counterclockwise spin in the atmosphere and very cold air above relatively warmer air near the surface creates an unstable atmosphere, and even if there is sun (which some areas are seeing – or saw – early on in the day, clouds develop and fill in the sky and dominate, and there will be nothing more than limited breaks of sun for the balance of the day. The extensiveness of the cloud cover will limit the development of convective showers, but a few already exist with help from the mountains to our north, so I cannot rule out a passing rain shower at any point, starting right away in southern NH and far northern MA, and occurring anywhere later on, but again favoring those northern locations. For the most part, despite the extensive cloud cover, it will be rain-free. Additionally, if you have outdoor plans, you’ll have to contend with cool air (highs in the 50s), and blustery conditions (wind gusts above 20 MPH). Tonight, the upper low exits and clearing takes place. High pressure builds in Monday, then slides offshore Tuesday. These days will be fair with a warm-up. Early Wednesday morning, low pressure scoots rapidly across southeastern Canada and drags a quick-moving cold front through the region. Aside from a possible brief rain shower, this front will move through mainly rain-free, just featuring a wind shift and an ever-so-slight cool-down for Wednesday – nearly unnoticeable, along with a gusty breeze. High pressure then builds in for a lovely opening day of May on Thursday.

TODAY: Early sun mostly Boston area south, otherwise mostly cloudy. Isolated rain showers, favoring areas north of I-90. Highs 52-59. Wind NW 10-20 MPH, higher gusts.

SUNDAY NIGHT: Clearing. Lows 35-42. Wind NW 5-15 MPH.

MONDAY: Mostly sunny. Highs 63-70. Wind NW 5-15 MPH.

MONDAY NIGHT: Mostly clear. Lows 50-57. Wind W 5-15 MPH.

TUESDAY: Mostly sunny. Highs 70-77 except cooler South Coast. Wind SW 5-15 MPH, higher gusts.

TUESDAY NIGHT: Partly cloudy. A possible rain shower overnight. Lows 52-59. Wind SW 5-15 MPH, higher gusts.

WEDNESDAY: Partly cloudy. A possible rain shower early. Highs 68-75. Wind NW 10-20 MPH, higher gusts.

WEDNESDAY NIGHT: Mostly clear. Lows 46-53. Wind NW 5-15 MPH.

THURSDAY: Sunny. Highs 67-74, cooler coast. Wind variable up to 10 MPH with coastal sea breezes.

DAYS 6-10 (MAY 2-6)

Pattern turns unsettled as upper level low pressure evolves over the US Northeast. As far as day-to-day details, it’s too far in the future for those, but May 2, part of May 3, and May 6 are the most likely days to have wet weather chances for our region. Temperatures variable with an overall cooling trend indicated.

DAYS 11-15 (MAY 7-11)

A blocking pattern holds upper level low pressure over the Northeast much of this period with additional unsettled weather and below normal temperatures.

49 thoughts on “Sunday April 27 2025 Forecast (8:00AM)”

    2. HAHAHA … I had to chuckle when I saw the snow map, but also knowing that can actually happen in May doesn’t allow me to totally dismiss it. Just look at the snow maps from May 10 1977. 😉

  3. Good morning and thank you TK

    51 here

    SNOWING at Killington.

    I do NOT like days like today. Not much I can do about it.

    This week looks pretty nice.
    We’ll see down the road

    I have not looked at a model in 2 weeks.

    I have been obsessed with completing a project at work. It is coming along beautifully.

    Perhaps I can wrap it up tomorrow or the next day. With any luck at least.

  7. Whw is truly a special family. Thank you to all who said they’d pick me up next time there is a get together. I’m not really good on asking for help….you may have noticed I have a touch of a stubborn streak. 🙄 I’ll try to get better next time a meet up is planned. It is special that you all had a fun evening

    1. We’d love to see you (and Sue) at the next one! And Hadi says we’re not waiting a few years this time. 😉 I’ve appointed him as the gathering director. 😉

  8. Thanks TK !

    I know why it’s cold today. There’s like 10 colleges here playing field hockey all day and when it’s field hockey, it’s cold.

    I’m recommending they hold this in July. 🙂

  9. Picture perfect day here at Great Stirrup Cay in the Berry Islands (Bahama). Sunshine and a few clouds, a light breeze, temperature of 82. Water is a little cooler than I expected, but I won’t complain- it’s better than at home!

    1. Today’s that cool, gusty, lots of stratocumulus and occasional raindrops kind of spring day. The radar has looked more impressive than what has fallen, as the ground has never gotten completely wet, and as soon as it ends, it’s dry again. But a less-than-ideal day, unless you love flying kites.

      A few more raindrops hitting the window as I type this…

  10. Oh boy … the medium range … JP Dave, please do yourself a favor and don’t look at the medium range guidance. 😉

      1. The fact that the GFS ECMWF & Canadian are all kind of in general agreement this far out makes me think the odds are pretty substantial for some accuracy in these projections.

  12. I was watching NOVA on PBS last week and it was stated that the Arctic Circle is warming 2x greater than the rest of the planet. ❄️

    1. Just from the perspective of physics, the polar regions warm up (and cool down) more quickly than the equatorial regions.

      The same goes for ocean temperature, which renders many of the maps we see very deceiving. It’s important to know what we’re actually looking at.

      The average annual range in water temperature near the equator is only a few degrees. While the average annual range in water temperature at our latitude, for example, is about 30 degrees. HUGE difference.

      1. Though I agree there is a difference there is a difference of impact a few degrees makes. Smaller changes have larger impacts in the tropics and poles than they do in the temperate regions. With that said the Gulf of Maine is one of the quickest warming areas of our ocean. Part of the reason for the decline of lobster off Cape Cod and why you don’t see lobster as much any further south of the Cape anymore. You have alot of areas that can be X amount warming compared to the average of the global average but its there.

    2. Awwwww! I had no idea that birds up this way were attracted to oranges. How cute! 🙂

      Such a nice calming scene (flurries included) considering what we were going through that horrible year. Many never recovered and still suffering today for various reasons even for those who never actually caught Covid.

      Hopefully we will handle pandemics much better in the future, heaven forbid it happens again.

        1. They are orioles. I put oranges out today for the first time this season. The orioles also eat from my hummingbird feeders. I sadly have not had a hummer yet so am about four days late for this year. Lots in my area have them though.

    2. Still watching the fans relentlessly trash them on The Remy Report FB page. I guess they’re supposed to go 162-0, and win every game via no-hit shut-out. And then sweep every playoff series and win the world series in 4 games. That’s the only way those fans would be happy.

      2. It makes me think of a friend I had in college. One semester he showed his grades to his father – four As and one B (in Chemical Engineering). His father screamed at him, “How’d you get the B?!”

  17. Thanks, TK.

    In yesterday’s blog I misread “diurnal cloud development” as “dismal cloud development”, but I know you don’t think or write like that! 🙂

    1. Every once in a while I lean to the “popular opinion”, when I use terms like “Dank Tank” .. mostly because I just like how it sounds. 😉

  19. Looks like Boston is going to come in about 0.25 inch drier than average when April wraps up.

  20. New post … SAK’s update will be later due to his current vacation status!

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