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

Sempronius

875 people, 1,740 ft above sea level in Cayuga County.

1,740 ftElevation, city center
875People, 2024 estimate
29 sq miLand area
Sunny 61°
Sunny now Dew point 52° · NNE 7 mph · high 65°
City of Sempronius River Interstate 2 miles
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The Sempronius 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 Sempronius

NWS forecast and National Blend of Models · updated 2:00 PM EDT
RIGHT NOW Cortland County-Chase Field (KN03) · 2:55 PM
Sunny
61° Sunny Feels like 61° · high of 65° near 3 PM
WindNNE 7 mphno gusts
Humidity72%rising to 100% by morning
Pressure30.05 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 52° · Dry63° by Thursday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday, about 9 AMin about 66 hours · 52% chance · rain
LIKELY AMOUNT0.1–0.6 inmost likely 0.4; 1 in 10 over 1
LAST RAINSept. 280.32 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Cayuga County
NWS Buffalo and the Storm Prediction Center · checked 3:20 PM
SUN & MOON
↑ 7:00 AM6:51 PM ↓
11 h 51 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
24
GOODAir quality index · ozone
Tomorrow: 37, 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
mostly cloudy day
partly cloudy night
mostly clear night
partly cloudy night
fog
fog
partly cloudy day
mostly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
mostly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy day
rain
rain
TEMPERATURE °F
65°
50°
72°
59°
71°
62°
CHANCE OF RAIN
52% · 0.06 in Friday morning 50%
WIND, MPH
6
1
0
0
0
0
2
5
4
3
2
2
3
3
6
8
7
5
4
3
2
3
6
8
HOW IT FEELS · DEW POINT
Dry: dew points 50 to 58° ↑ Humid air returns More humid: 63° by Friday

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 80° / 62°
TUE Sept. 29 Mostly cloudy Mostly cloudy
65° 47°
0% rain — NNW 5 A
WED Sept. 30 Partly cloudy; warmer Partly cloudy; warmer
73° 58°
0% rain — WSW 3 A
THU Oct. 1 Mostly cloudy Mostly cloudy
73° 60°
20% rain — SSW 6 B
FRI Oct. 2 Showers likely Showers likely
72° 45°
80% rain 0.1–0.6″ WNW 7 C
SAT Oct. 3 Partly cloudy Partly cloudy
65° 39°
10% rain — NNE 2 B
SUN Oct. 4 Partly cloudy Partly cloudy
66° 41°
30% rain — SSW 6 B
MON Oct. 5 Mostly sunny Mostly sunny
60° 34°
10% rain — WNW 6 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

MILE7
ON THE NETWORK

Around Sempronius on the Forecast Network

Neighboring plates

Syracuse NY · 23 MI 23 miles northeast Clay NY · 31 MI 31 miles north Newark NJ · 178 MI 178 miles southeast Jersey City NJ · 182 MI 182 miles southeast New York NY · 189 MI 189 miles southeast Philadelphia PA · 199 MI 199 miles south
FORECASTCITY
Atlas plate of Sempronius, New York. Explore the plate
NEW YORK · CAYUGA

Sempronius

875 people, 1,740 ft above sea level in Cayuga County.

1,740 ftElevation
875People
29 sq miLand
Sunny 61°
SunnyDew point 52°
1

Today in Sempronius

NEXT 15 HOURS
Now mostly cloudy day 65° 0%
6p partly cloudy day 63° 0%
9p mostly clear night 55° 0%
12a mostly clear night 52° 0%
3a partly cloudy night 50° 0%
6a fog 50° 0%
Rain
NEXT RAINFriday about 9 AM · 52%
→
Tue0%
Mostly cloudy Mostly cloudy
47
65
A
Wed0%
Partly cloudy; warmer Partly cloudy; warmer
58
73
A
Thu20%
Mostly cloudy Mostly cloudy
60
73
B
Fri80%
Showers likely Showers likely
45
72
C
Sat10%
Partly cloudy Partly cloudy
39
65
B
Sun30%
Partly cloudy Partly cloudy
41
66
B
Mon10%
Mostly sunny Mostly sunny
34
60
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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