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Shaded-relief atlas plate of Henderson, New York: rivers, roads, the city limits and where the water drains.
NEW YORK · JEFFERSON COUNTY

Henderson

233 people, 380 ft above sea level in Jefferson County.

380 ftElevation, city center
233People, 2024 estimate
1 sq miLand area
Sunny 59°
Sunny now Dew point 51° · Calm · high 65°
City of Henderson River Interstate 2 miles
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The Henderson 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 Henderson

NWS forecast and National Blend of Models · updated 2:00 PM EDT
RIGHT NOW Watertown International Airport (KART) · 2:56 PM
Sunny
59° Sunny Feels like 59° · high of 65° near 4 PM
WindCalmno gusts
Humidity75%rising to 100% by morning
Pressure30.06 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 51° · Dry63° by Thursday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday, about 3 AMin about 60 hours · 67% chance · rain
LIKELY AMOUNT0–0.3 inmost likely 0.2; 1 in 10 over 0.8
LAST RAINSept. 270.1 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Jefferson County
NWS Buffalo and the Storm Prediction Center · checked 3:20 PM
SUN & MOON
↑ 6:59 AM6:50 PM ↓
11 h 50 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
35
GOODAir quality index · fine particles
Tomorrow: 38, good. No pollen source yet.

The next three days, hour by hour

Sky: clear, cloudy, night Rain likely National Blend of Models
TUESDAY, SEPT. 29
WEDNESDAY, SEPT. 30
THURSDAY, OCT. 1
FRIDAY, OCT. 2
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
partly cloudy day
mostly clear night
mostly clear night
partly cloudy night
partly cloudy night
partly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
partly cloudy night
partly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
rain
rain
rain
rain
TEMPERATURE °F
64°
50°
70°
62°
70°
62°
CHANCE OF RAIN
67% · 0.30 in Friday morning 50%
WIND, MPH
3
0
0
0
1
3
6
9
8
5
5
6
7
9
11
13
13
10
7
5
5
5
6
8
HOW IT FEELS · DEW POINT
Dry: dew points 50 to 54° ↑ Humid air returns More humid: 62° by Friday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 66° / 44°
TUE Sept. 29 Partly cloudy Partly cloudy
65° 45°
0% rain — N 2 A
WED Sept. 30 Mostly cloudy Mostly cloudy
72° 58°
10% rain — SW 7 A
THU Oct. 1 Mostly cloudy Mostly cloudy
72° 58°
20% rain — SSW 12 B
FRI Oct. 2 Showers likely Showers likely
69° 42°
80% rain 0.02–0.5″ W 6 C
SAT Oct. 3 Mostly sunny Mostly sunny
63° 36°
10% rain — ENE 3 B
SUN Oct. 4 Chance of showers Chance of showers
64° 40°
30% rain up to 0.09″ SW 7 B
MON Oct. 5 Partly cloudy Partly cloudy
59° 32°
20% rain — NW 7 C
How sure are we? AModels agree: highs within 4° BSome spread: within 8° CWide spread: check back
Range from the National Blend of Models percentiles · graded on Forecast Scores
AIR MAIL

Where today’s air came from

The air arriving over Henderson about 5,000 feet above the ground was over the western Atlantic three days ago, and over New England a day ago, about 1,180 miles back along its path. Near the ground the air came from the North Atlantic; at 10,000 feet, from the western Atlantic. Traced back 72 hours through NOAA’s hourly RAP analyses and the GFS beyond them, nine paths at each of three heights.

MILE7
ON THE NETWORK

Around Henderson on the Forecast Network

Neighboring plates

Watertown NY · 16 MI 16 miles northeast Le Ray NY · 25 MI 25 miles northeast Syracuse NY · 56 MI 56 miles south Rochester NY · 86 MI 86 miles southwest Amherst NY · 142 MI 142 miles southwest Buffalo NY · 150 MI 150 miles southwest
FORECASTCITY
Atlas plate of Henderson, New York. Explore the plate
NEW YORK · JEFFERSON

Henderson

233 people, 380 ft above sea level in Jefferson County.

380 ftElevation
233People
1 sq miLand
Sunny 59°
SunnyDew point 51°
1

Today in Henderson

NEXT 15 HOURS
Now mostly cloudy day 64° 0%
6p partly cloudy day 63° 0%
9p mostly clear night 54° 0%
12a mostly clear night 51° 0%
3a partly cloudy night 50° 0%
6a mostly cloudy night 50° 0%
Rain
NEXT RAINFriday about 3 AM · 67%
→
Tue0%
Partly cloudy Partly cloudy
45
65
A
Wed10%
Mostly cloudy Mostly cloudy
58
72
A
Thu20%
Mostly cloudy Mostly cloudy
58
72
B
Fri80%
Showers likely Showers likely
42
69
C
Sat10%
Mostly sunny Mostly sunny
36
63
B
Sun30%
Chance of showers Chance of showers
40
64
B
Mon20%
Partly cloudy Partly cloudy
32
59
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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