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Shaded-relief atlas plate of Clay, Pennsylvania: rivers, roads, the city limits and where the water drains.
PENNSYLVANIA · LANCASTER COUNTY

Clay

1,869 people, 390 ft above sea level in Lancaster County.

390 ftElevation, city center
1,869People, 2024 estimate
2 sq miLand area
Sunny 70°
Sunny now Dew point 58° · NNW 7 mph · high 72°
City of Clay River Interstate 2 miles
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The Clay 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 Clay

NWS forecast and National Blend of Models · updated 2:00 PM EDT
RIGHT NOW Lancaster Airport (KLNS) · 2:53 PM
Sunny
70° Sunny Feels like 70° · high of 72° near 3 PM
WindNNW 7 mphno gusts
Humidity66%rising to 100% by morning
Pressure30.03 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 58° · Comfortable66° by Thursday: more humid
DryComfortableStickyMuggyOppressive
NEXT RAIN
Rain
Friday30% chance · showers
LIKELY AMOUNT—amounts come within 3 days
LAST RAINSept. 270.31 in · 2 dry days
ALERTS & OUTLOOKS
No watches or warnings for Lancaster County
NWS State College and the Storm Prediction Center · checked 3:21 PM
SUN & MOON
↑ 6:59 AM6:51 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
28
GOODAir quality index · ozone
Tomorrow: 53, moderate. 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
partly cloudy night
partly cloudy night
mostly clear night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy night
mostly cloudy day
mostly cloudy day
partly cloudy day
mostly sunny
partly cloudy night
mostly clear night
mostly clear night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
TEMPERATURE °F
72°
58°
77°
63°
78°
64°
CHANCE OF RAIN
50%
WIND, MPH
7
3
0
0
0
0
0
3
4
5
5
4
3
3
3
5
7
6
5
4
3
2
5
9
HOW IT FEELS · DEW POINT
Sticky: dew points 58 to 66°

The next seven days, and how sure we are

Forecast, with the range 8 in 10 ensemble members agree on Normal, about 73° / 51°
TUE Sept. 29 Partly cloudy Partly cloudy
72° 57°
0% rain — WNW 6 A
WED Sept. 30 Partly cloudy Partly cloudy
77° 61°
0% rain — WSW 2 A
THU Oct. 1 Partly cloudy Partly cloudy
79° 62°
0% rain — SSW 5 B
FRI Oct. 2 Chance of showers Chance of showers
82° 59°
30% rain up to 0.1″ WNW 9 B
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
70° 53°
40% rain up to 0.4″ NE 6 B
SUN Oct. 4 Chance of showers Chance of showers
67° 52°
50% rain up to 1.1″ SSE 6 C
MON Oct. 5 Mostly sunny Mostly sunny
66° 43°
0% rain — NNW 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

MILE7
ON THE NETWORK

Around Clay on the Forecast Network

Neighboring plates

Lancaster PA · 13 MI 13 miles south Reading PA · 18 MI 18 miles northeast Philadelphia PA · 60 MI 60 miles east Washington DC · 100 MI 100 miles southwest New York NY · 125 MI 125 miles east Hempstead NY · 141 MI 141 miles east
FORECASTCITY
Atlas plate of Clay, Pennsylvania. Explore the plate
PENNSYLVANIA · LANCASTER

Clay

1,869 people, 390 ft above sea level in Lancaster County.

390 ftElevation
1,869People
2 sq miLand
Sunny 70°
SunnyDew point 58°
1

Today in Clay

NEXT 15 HOURS
Now mostly cloudy day 72° 0%
6p partly cloudy day 70° 2%
9p partly cloudy night 64° 1%
12a partly cloudy night 62° 1%
3a partly cloudy night 60° 0%
6a partly cloudy night 58° 0%
Rain
NEXT RAINFriday · 30%
→
Tue0%
Partly cloudy Partly cloudy
57
72
A
Wed0%
Partly cloudy Partly cloudy
61
77
A
Thu0%
Partly cloudy Partly cloudy
62
79
B
Fri30%
Chance of showers Chance of showers
59
82
B
Sat40%
Chance of showers; cooler Chance of showers; cooler
53
70
B
Sun50%
Chance of showers Chance of showers
52
67
C
Mon0%
Mostly sunny Mostly sunny
43
66
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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