IMPACT: Frost likely tonight; Dry Sunday with cooler temps; milder next week for south-central Pennsylvania
It’s a dry weekend with more sunshine on Sunday. Highs will run about 10 degrees cooler than average. Temps moderate to the 70s and the low 80s for Tuesday! Rain chances arrive again midweek.
COME FROM BEHIND WIN COMING UP IN JUST A FEW MINUTES NOW. THE WGAL NEWS EIGHT STORM TEAM FORECAST WITH METEOROLOGIST RYAN ARGENTI. WE’RE GOING TO BE GETTING CHILLY AS WE HEAD INTO THE OVERNIGHT PERIOD. WE ACTUALLY HAVE IT AS AN IMPACT NIGHT FOR THE THREAT FOR FROST TO POTENTIALLY BE DEVELOPING ACROSS THE AREA, BUT TEMPERATURES INTO THE LOWER 50S AT THIS TIME HAVE A CALM AND OR LIGHT AND VARIABLE WEST NORTHWEST WIND AROUND THREE MILES PER HOUR SO FAR IN LEBANON. BUT HERE’S WHAT WE’RE TRACKING AS WE HEAD INTO THE REST OF THE WEEKEND. STILL ABOUT 10 TO 12 DEGREES BELOW AVERAGE AS WE HEAD INTO OUR SUNDAY EARLY NEXT WEEK. HIGHS ARE BACK TO THE 70S. COULD POTENTIALLY GET TO THE 80S. WE’RE FORECASTING 80 DEGREES FOR NEXT WEEK, ESPECIALLY TUESDAY. AND THEN AS WE HEAD INTO THE MIDDLE OF THE WEEK, ESPECIALLY WEDNESDAY AND THURSDAY, LOOKING LIKE WE’LL SEE OUR NEXT BEST CHANCE OF SOME SHOWERS, WHICH WE’RE STILL IN NEED OF. DEFINITELY NEED SOME MORE OF THOSE SHOWERS ACROSS THE SUSQUEHANNA VALLEY. WE HIT A HIGH OF 59 DEGREES TODAY AT HARRISBURG INTERNATIONAL AIRPORT, BUT NOTICE 70 DEGREES IS WHAT WE EXPECT FOR THIS TIME OF YEAR. SO STILL, WE ARE BEYOND TEN DEGREES BELOW AVERAGE. I WOULD SAY IT’S 11 DEGREES BELOW AVERAGE FOR THIS TIME OF THE YEAR. AND THEN 49 IS WHAT WE EXPECT FOR THIS TIME OF THE YEAR IN TERMS OF OVERNIGHT LOWS. EARLIER THIS MORNING HIT A LOW OF 44 DEGREES. ONLY HAD ABOUT HAD ABOUT A TRACE OF SOME RAINFALL AT HARRISBURG INTERNATIONAL AIRPORT. SO OVERNIGHT TONIGHT WE’LL HAVE THOSE CLEARING SKIES A LITTLE BIT A LITTLE BIT CLOUDY RIGHT NOW, BUT WE’LL EVENTUALLY SEE SEE THOSE SKIES CLEAR. AND WE’RE GOING TO SEE THE POTENTIAL FOR FROST TO DEVELOP ACROSS THE AREA. TEMPERATURES. IT’S CHILLY 32 TO 38 DEGREES. SO THAT’S WHY WE HAVE THAT POTENTIAL IN PLACE. AND THEN FOR TOMORROW MORNING MOSTLY SUNNY. WE’LL SEE SOME INCREASING WINDS OUT OF THE WEST. AND WE’LL STILL BE STARTING CHILLY 42 TO 48 DEGREES FOR TOMORROW MORNING. AND THEN WE’LL TOP OUT RIGHT AROUND THE LOWER 60S FOR TOMORROW AFTERNOON UNDER MOSTLY SUNNY SKIES. BREEZY THOUGH. LOOK AT THIS. A NORTHWESTERLY BREEZE BETWEEN 10 AND 15MPH. SOME AREAS COULD GUST TO 20MPH FOR THE AFTERNOON WILL BE 58 TO 62 DEGREES FOR THE AFTERNOON. NOW FOR TOMORROW. SPEAKING OF THE WEATHER AND HEALTH POLLEN LEVELS, THERE IS STILL GOING TO BE REMAINING HIGH FOR THE TREES AND GRASS. MOLD LEVELS ARE LOW, AIR QUALITY IS GOOD AND WE HAVE A MODERATE UV INDEX. GOT ABOUT A 35 MINUTE BURN TIME FOR THE AFTERNOON. BUT HERE’S WHAT. HERE’S OUR BEST PRECIPITATION CHANCES FOR OUR WEDNESDAY AND THURSDAY NOTICE FOR THE NEXT FEW DAYS. LOOKING DRY. BUT IT’S REALLY WHEN WE GET INTO THE MIDDLE OF THE WEEK IS WHEN WE’LL SEE A CHANCE OF SOME OF THOSE SHOWERS. AGAIN, WELL NEEDED SHOWERS, BUT LET’S CHAT ABOUT SOME OF THESE, THESE TEMPERATURES THAT WE’RE GOING TO BE SEEING OVERNIGHT. SO WE’RE INTO THE 40S NOW. WE’RE 48 IN HARRISBURG. WE’RE 47 IN CARLISLE, 45 IN LEWISTOWN. LOOK AT THIS. OVER THE NEXT SEVERAL HOURS, GETTING INTO THE EARLY MORNING HOURS, IT’S GETTING DOWN TO POTENTIALLY THE LOWER 30S FOR YORK AND GETTYSBURG, POTENTIALLY UPPER TO UPPER 20S FOR CHAMBERSBURG. BUT NOTICE THE MAJORITY OF THE AREA GETTING INTO THE LOWER TO MID 30S. AND THAT’S WHY WE HAVE A FROST ADVISORY THAT’S GOING TO BE GOING INTO EFFECT FOR THE MAJORITY OF THE AREA, WITH MIFFLIN AND JUNIATA COUNTIES UNDER A FREEZE WARNING. AND THAT’S GOING TO BE FROM NOW UNTIL 9 A.M. SUNDAY. THAT’S BECAUSE OF THOSE TEMPERATURES, AS YOU SAW, GETTING INTO THE LOWER TO MID 30S. SO STORM TEAM, LIVE RADAR NETWORK, A LITTLE BIT OF SOME A LITTLE BIT OF SOME RETURNS ON THE RADAR, BUT HAVEN’T BEEN SEEING ANY, ANY RAIN RAINFALL REPORTS. SO THIS IS MOST LIKELY WHAT WE’RE SEEING IS WHAT’S VIRGA. IT’S BASICALLY PRECIPITATION THAT FALLS FROM THE CLOUD DOESN’T END UP MAKING IT TO THE GROUND. IT ENDS UP DRYING UP AS IT TRIES TO MAKE ITS WAY TO THE SURFACE. BUT WE’RE GOING TO CONTINUE TO SEE MORE OF THIS DRIER AIR BEGIN TO USHER IN FROM HIGH PRESSURE. THAT’S STARTING TO USHER IN THIS NORTHWESTERLY AIR, AND THAT’S GOING TO HELP CLEAR OUR SKIES FOR OUR SUNDAY. BUT THEN ONCE WE GET INTO SUNDAY NIGHT, INTO OUR MONDAY, LOOK AT THIS. STILL A LITTLE BIT PARTLY SUNNY. YOU CAN SEE THOSE ORANGE ARROWS. YOU CAN SEE HIGH PRESSURE NOW SHIFTING OFF THE COAST. THAT’S WHAT’S USHERING IN THE MILDER AIR FROM THE SOUTH. THAT’S WHAT’S GOING TO BE ALLOWING TEMPERATURES TO GET TO THE 70S. ONCE WE GET INTO OUR MONDAY AND POTENTIALLY GETTING INTO THE 80S, FORECASTING 80 DEGREES FOR YOUR TUESDAY, WARM AND BREEZY. AND THEN THERE’S THOSE CHANCES OF SOME SHOWERS FOR WEDNESDAY AND THURSDAY. A SLIGHT CHANCE OF SOME SHOWERS FOR FRIDAY AND SATUR
IMPACT: Frost likely tonight; Dry Sunday with cooler temps; milder next week for south-central Pennsylvania
It’s a dry weekend with more sunshine on Sunday. Highs will run about 10 degrees cooler than average. Temps moderate to the 70s and the low 80s for Tuesday! Rain chances arrive again midweek.
Updated: 11:38 PM EDT May 2, 2026
IMPACT NIGHT FOR FROST & POTENTIAL FREEZEA Frost Advisory has been issued for Perry, Franklin, Adams, York, Lancaster, Lebanon, Cumberland, & Dauphin counties from Now until 9 am Sunday.A Freeze Warning has been issued for Mifflin & Juniata counties from Now until 9 am Sunday.Skies become mostly clear overnight with lows in the mid to upper 30s. Tonight brings the best shot at frost across most of the area. The greatest risk will be in wind-sheltered mountain valleys, where colder air tends to settle and allow frost to form more easily.Sunday looks breezy and cool, with highs near 60 and more sunshine.Next week, temperatures bounce back to seasonable averages. Expect highs in the lower 70s on Monday, then to 80° on Tuesday. Rain chances return late Tuesday into Wednesday and again on Thursday. Highs will trend back to the 60s to end the week.Looking ahead to Mother’s Day weekend, a few showers are possible on Saturday, but it’s not a washout, and temperatures are a few degrees cooler than average in the mid 60s. It is dry for Mother’s Day with a sun and cloud mix and highs near 70 degrees.Have a great rest of your night!~ Ryan
IMPACT NIGHT FOR FROST & POTENTIAL FREEZE
A Frost Advisory has been issued for Perry, Franklin, Adams, York, Lancaster, Lebanon, Cumberland, & Dauphin counties from Now until 9 am Sunday.
A Freeze Warning has been issued for Mifflin & Juniata counties from Now until 9 am Sunday.
Skies become mostly clear overnight with lows in the mid to upper 30s. Tonight brings the best shot at frost across most of the area. The greatest risk will be in wind-sheltered mountain valleys, where colder air tends to settle and allow frost to form more easily.
Sunday looks breezy and cool, with highs near 60 and more sunshine.
Next week, temperatures bounce back to seasonable averages. Expect highs in the lower 70s on Monday, then to 80° on Tuesday. Rain chances return late Tuesday into Wednesday and again on Thursday. Highs will trend back to the 60s to end the week.
Looking ahead to Mother’s Day weekend, a few showers are possible on Saturday, but it’s not a washout, and temperatures are a few degrees cooler than average in the mid 60s. It is dry for Mother’s Day with a sun and cloud mix and highs near 70 degrees.
Have a great rest of your night!
~ Ryan