Saturday's spectacular weather is definitely difficult to match, but Easter's weather will come close. It will be sunny…but slightly cooler…
It will be downright cold overnight. The stiff northwesterly wind we had today will weaken. The sky will remain clear and the air will remain exceedingly dry. All of these factors make for perfect "radiational cooling", whereby heat can escape the Earth's surface quickly, easily making overnight lows 30°F or more colder than today's highs. Many towns will have lows near or below freezing, just in time for sunrise services Easter morning. So, if you are planning on attending sunrise service, you should plan on wearing cold weather gear, but at the same time, you should also plan on seeing a perfectly unimpeded sunrise. It should be a beautiful start to Easter.
Similar to today, Easter will be mainly sunny, dry and mild. There will be a minor difference, however, that will play a key role in shaping how the temperature spread will be over the state: there will be less wind from the northwest. Without the strength of the northwest wind, the Shoreline will be more susceptible to having an on-shore flow develop, which will bring in water-cooled air off Long Island Sound. Once inland sections start to warm up past 45° or 50°, the differential in water versus inland temperature, without the strong northwest wind, will create a wind onshore that will likely hold afternoon high readings in the low-50s near the water. Should the breeze be strong enough, we will likely see much of inland Connecticut slightly cooler, too, with highs in the upper-50s and – perhaps – a few low-60s from greater Hartford north toward the Massachusetts line.
This sea breeze may add just enough moisture to help us out tomorrow night, by holding temperatures up a few degrees. Right now, we think mid-30s are more likely as lows by Monday morning, in contrast to low-30s and upper-20s Easter Sunday morning, despite the clear sky and lighter wind.
By Monday, a southwesterly wind will start to develop, helping to supply milder air from the South. With sunshine abounding, highs will range from the low-60s along the Shoreline to near 70° inland. Low-70s are possible inland on Tuesday as the flow from the southwest continues; however, by that point, a new storm system will be approaching from the west, spreading more clouds in the sky by afternoon…
The system will come through the state Tuesday night and Wednesday morning, likely providing the necessary lift to produce showers or a steady period of rain. We foresee rain and only rain this time around, with lows Tuesday night in the 40s and highs Wednesday back up to near 60°F. There is the potential for 0.25" to – maybe – 0.50" of rain from this storm, which will likely slowly wind down Wednesday.
Thursday and Friday will be nice, as high pressure brings about sunshine and warmth, with highs in the 60s. Another storm system will bring clouds and showers Saturday; some of the longer range models are saying that this storm may sit and spin nearby for a few days, keeping clouds and showers in the forecast into early the following week.
A couple of other notes:
The Connecticut River is still above flood stage in a categorically "minor" flood state at both the Hartford and Haddam gauges. The forecast is for the river level to slowly go down, falling below flood stage either late Monday or Tuesday. Until that time, there continues to be a FLOOD WARNING for the Connecticut River.
Stargazers who love shooting stars should keep their eyes to the sky for the Lyrids Meteor Shower. Although it's expected to be most prolific during the night of April 21 and morning of April 22, the bright glow of the moon may actually hinder viewing the 10 to 100 meteor per hour spectacle; NASA suggests instead trying to view them during the early morning of April 23, after moonset.
I hope you are enjoying your weekend!
Meteorologist Mike Cameron