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

Harrisburg

481 people, 1,550 ft above sea level in Lewis County.

1,550 ftElevation, city center
481People, 2024 estimate
40 sq miLand area
Sunny 58°
Sunny now Dew point 51° · NE 6 mph · high 59°
City of Harrisburg River Interstate 2 miles
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The Harrisburg 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 Harrisburg

NWS forecast and National Blend of Models · updated 6:00 PM EDT
RIGHT NOW Watertown International Airport (KART) · 5:56 PM
Sunny
58° Sunny Feels like 58° · high of 59° near 6 PM
WindNE 6 mphno gusts
Humidity78%rising to 100% by morning
Pressure30.04 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 51° · Dry62° by Thursday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Mostly cloudy
Thursday, about 3 PMin about 44 hours · 82% chance · rain
LIKELY AMOUNT0.05–0.6 inmost likely 0.2; 1 in 10 over 1.1
LAST RAINSept. 270.1 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Lewis County
NWS Buffalo and the Storm Prediction Center · checked 6:46 PM
SUN & MOON
↑ 6:57 AM6:48 PM ↓
11 h 50 m of daylight, 3 minutes less than yesterday
Waning gibbous, 88% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
36
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
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
6p
9p
Mid
3a
6a
9a
Noon
3p
partly cloudy night
mostly clear night
mostly clear night
partly cloudy night
mostly cloudy day
partly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy night
overcast
mostly cloudy night
partly cloudy night
partly cloudy day
mostly cloudy day
mostly cloudy day
rain
rain
rain
rain
rain
rain
rain
rain
rain
TEMPERATURE °F
59°
48°
70°
62°
69°
63°
CHANCE OF RAIN
82% · 0.57 in Friday afternoon 50%
WIND, MPH
0
0
0
0
3
6
9
8
5
5
6
7
9
12
13
12
10
8
6
5
5
6
8
9
HOW IT FEELS · DEW POINT
Dry: dew points 48 to 54° ↑ Humid air returns More humid: 58° 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
59° 43°
0% rain — NE 0 A
WED Sept. 30 Mostly cloudy; warmer Mostly cloudy; warmer
71° 58°
10% rain — SW 7 A
THU Oct. 1 Chance of showers Chance of showers
72° 58°
30% rain 0.05–0.6″ SSW 12 B
FRI Oct. 2 Showers likely Showers likely
68° 41°
80% rain 0.07–0.6″ WNW 5 C
SAT Oct. 3 Mostly sunny Mostly sunny
63° 36°
0% rain — ENE 5 C
SUN Oct. 4 Chance of showers Chance of showers
64° 39°
30% rain up to 0.1″ SSW 7 B
MON Oct. 5 Partly cloudy Partly cloudy
59° 31°
20% rain — NW 8 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 Harrisburg about 5,000 feet above the ground was over the western Atlantic three days ago, and over New England a day ago, about 1,010 miles back along its path. Near the ground the air came from the western Atlantic; at 10,000 feet, from Quebec. 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 Harrisburg on the Forecast Network

Neighboring plates

Watertown NY · 15 MI 15 miles northwest Le Ray NY · 18 MI 18 miles north Syracuse NY · 60 MI 60 miles southwest Rochester NY · 108 MI 108 miles southwest Amherst NY · 165 MI 165 miles west Springfield MA · 198 MI 198 miles southeast
FORECASTCITY
Atlas plate of Harrisburg, New York. Explore the plate
NEW YORK · LEWIS

Harrisburg

481 people, 1,550 ft above sea level in Lewis County.

1,550 ftElevation
481People
40 sq miLand
Sunny 58°
SunnyDew point 51°
1

Today in Harrisburg

NEXT 15 HOURS
Now partly cloudy day 59° 0%
9p mostly clear night 53° 0%
12a mostly clear night 49° 0%
3a partly cloudy night 48° 0%
6a mostly cloudy night 49° 0%
9a mostly cloudy day 58° 0%
Mostly cloudy
NEXT RAINThursday about 3 PM · 82%
→
Tue0%
Partly cloudy Partly cloudy
43
59
A
Wed10%
Mostly cloudy; warmer Mostly cloudy; warmer
58
71
A
Thu30%
Chance of showers Chance of showers
58
72
B
Fri80%
Showers likely Showers likely
41
68
C
Sat0%
Mostly sunny Mostly sunny
36
63
C
Sun30%
Chance of showers Chance of showers
39
64
B
Mon20%
Partly cloudy Partly cloudy
31
59
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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