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

Armstrong

2,760 people, in Indiana County.

2,760People, 2024 estimate
38 sq miLand area
Sunny 68°
Sunny now Dew point 59° · Calm · high 71°
City of Armstrong River Interstate 2 miles
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The Armstrong 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 Armstrong

NWS forecast and National Blend of Models · updated 1:00 PM EDT
RIGHT NOW Indiana County Airport - Jimmy Stewart Field (KIDI) · 2:35 PM
Sunny
68° Sunny Feels like 68° · high of 71° near 4 PM
WindCalmno gusts
Humidity73%falling to 66% this afternoon
Pressure30.08 in →steady
Visibility10 mihaze-free
CloudsClear
UV index—no forecast
Dew point 59° · Comfortableabout the same for three days
DryComfortableStickyMuggyOppressive
NEXT RAIN
Partly cloudy
Friday, about 9 AMin about 66 hours · 79% chance · showers
LIKELY AMOUNT0.1–0.5 inmost likely 0.3; 1 in 10 over 1
LAST RAINSept. 280.1 in · 1 dry day
ALERTS & OUTLOOKS
No watches or warnings for Indiana County
NWS Pittsburgh and the Storm Prediction Center · checked 2:51 PM
SUN & MOON
↑ 7:11 AM7:03 PM ↓
11 h 52 m of daylight, 3 minutes less than yesterday
Waning gibbous, 89% lit. The Harvest Moon was full Saturday.
AIR & POLLEN
23
GOODAir quality index · ozone
Tomorrow: 50, 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
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
2p
5p
8p
11p
2a
5a
8a
11a
partly cloudy day
partly cloudy day
mostly clear night
mostly clear night
mostly clear night
fog
partly cloudy day
partly cloudy day
partly cloudy day
mostly cloudy day
mostly cloudy night
mostly cloudy night
mostly cloudy night
partly cloudy night
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy day
partly cloudy night
partly cloudy night
partly cloudy night
partly cloudy night
showers day
showers day
TEMPERATURE °F
69°
53°
74°
61°
77°
64°
CHANCE OF RAIN
79% · 0.10 in Friday morning 50%
WIND, MPH
2
0
0
0
0
0
0
5
6
4
2
3
3
4
7
9
10
8
7
6
6
7
9
11
HOW IT FEELS · DEW POINT
Comfortable: dew points 53 to 63°

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 Partly cloudy Partly cloudy
71° 53°
0% rain — W 2 A
WED Sept. 30 Partly cloudy Partly cloudy
75° 61°
0% rain — SW 4 A
THU Oct. 1 Partly cloudy Partly cloudy
78° 64°
0% rain — SW 8 B
FRI Oct. 2 Showers likely Showers likely
76° 50°
80% rain 0.1–0.5″ NW 8 C
SAT Oct. 3 Chance of showers; cooler Chance of showers; cooler
67° 50°
30% rain up to 0.2″ E 6 B
SUN Oct. 4 Chance of showers Chance of showers
66° 46°
30% rain up to 0.1″ W 6 C
MON Oct. 5 Mostly sunny Mostly sunny
62° 39°
0% rain — NNW 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

MILE7
ON THE NETWORK

Around Armstrong on the Forecast Network

Neighboring plates

Hempfield PA · 29 MI 29 miles southwest Pittsburgh PA · 39 MI 39 miles west Cleveland OH · 138 MI 138 miles northwest Arlington VA · 167 MI 167 miles southeast Baltimore MD · 169 MI 169 miles southeast Washington DC · 169 MI 169 miles southeast
FORECASTCITY
Atlas plate of Armstrong, Pennsylvania. Explore the plate
PENNSYLVANIA · INDIANA

Armstrong

2,760 people, in Indiana County.

2,760People
38 sq miLand
Sunny 68°
SunnyDew point 59°
1

Today in Armstrong

NEXT 15 HOURS
Now mostly cloudy day 69° 0%
5p partly cloudy day 69° 1%
8p partly cloudy night 63° 0%
11p partly cloudy night 58° 0%
2a mostly clear night 56° 0%
5a fog 54° 0%
Partly cloudy
NEXT RAINFriday about 9 AM · 79%
→
Tue0%
Partly cloudy Partly cloudy
53
71
A
Wed0%
Partly cloudy Partly cloudy
61
75
A
Thu0%
Partly cloudy Partly cloudy
64
78
B
Fri80%
Showers likely Showers likely
50
76
C
Sat30%
Chance of showers; cooler Chance of showers; cooler
50
67
B
Sun30%
Chance of showers Chance of showers
46
66
C
Mon0%
Mostly sunny Mostly sunny
39
62
C
Letters show how sure the forecast is: A, models agree; B, some spread; C, check back. Sample data.
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