The Delaware plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
MILE1
TODAY
Today in Delaware
NWS forecast and National Blend of Models · updated 1:00 PM EDT
RIGHT NOWSullivan County International Airport (KMSV) · 1:56 PM
59°SunnyFeels like 59° · high of 66° near 3 PM
WindWNW 8 mphno gusts
Humidity83%falling to 68% this afternoon
Pressure30.04 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 54° · Dryabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Friday, about 9 AMin about 66 hours · 45% chance · showers
LIKELY AMOUNT0–0.2 inmost likely 0.09; 1 in 10 over 0.5
LAST RAIN—none in 31 days
ALERTS & OUTLOOKS
No watches or warnings for Sullivan County
NWS Binghamton and the Storm Prediction Center · checked 2:50 PM
SUN & MOON
↑ 6:54 AM6:46 PM ↓
11 h 51 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
21
GOODAir quality index · ozone
Tomorrow: 40, good. No pollen source yet.
The next three days, hour by hour
Sky: clear, cloudy, nightRain likelyNational Blend of Models
Dry: dew points 49 to 55°↑ Humid air returnsMore humid: 61° by Friday
The next seven days, and how sure we are
Forecast, with the range 8 in 10 ensemble members agree onNormal, about 80° / 62°
TUESept. 29Partly cloudy
66°47°
0% rain—NNW 8A
WEDSept. 30Partly cloudy
73°56°
0% rain—W 3A
THUOct. 1Partly cloudy
74°59°
0% rain—SW 5B
FRIOct. 2Chance of showers
78°50°
40% rainup to 0.2″WNW 10C
SATOct. 3Partly cloudy; cooler
67°44°
20% rain—NE 6B
SUNOct. 4Chance of showers
63°45°
40% rainup to 0.9″SSE 6C
MONOct. 5Mostly sunny
62°37°
0% rain—NW 9C
How sure are we?AModels agree: highs within 4°BSome spread: within 8°CWide spread: check backRange from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL
Where today’s air came from
The air arriving over Delaware about 5,000 feet above the ground was over the Atlantic off the Carolinas three days ago, and over New England a day ago, about 1,410 miles back along its path. The nine paths traced from around the city fan out, so treat that as a best guess. Near the ground the air came from the North Atlantic; at 10,000 feet, from the Atlantic off the Carolinas. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.