Weather StoryAlmanac, microseasons, and the day's weather story.

Sylvan Hills, Pennsylvania Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Sylvan Hills weather forecast — hour by hour, 7-day outlook, NOAA radar

Sylvan Hills, PA
Saturday, July 4 at 10:24 PM
71
°
Light Rain
Feels like
76°
Humidity
84%
Wind
1 mph
Sunrise
1:48 AM
Sunset
4:47 PM
Sylvan Hills, PA
Hour by hour · 24h
24-Hour ForecastSylvan Hills, PA: 24-hour forecast. Temperatures range from 67 to 83 degrees Fahrenheit with a 62% chance of precipitation at 10 PM.
L 67°H 83°
Sylvan Hills, PA
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    67%
    1.7″
    91°67°
  2. Sunday
    Jul 5
    Light Rain
    43%
    0.07″
    83°67°-8°
  3. Monday
    Jul 6
    Heavy Drizzle
    83%
    0.02″
    80°67°-3°
  4. Tuesday
    Jul 7
    Thunderstorm
    73%
    75°67°-5°
  5. Wednesday
    Jul 8
    Light Drizzle
    19%
    0.04″
    69°66°-6°
  6. Thursday
    Jul 9
    Light Drizzle
    15%
    87°63°+18°
  7. Friday
    Jul 10
    Light Drizzle
    52%
    82°66°-5°
Sylvan Hills, PA
Anemometer · 24h winds · from true
NESW
From · True
WSW
243° · backing 88°
Direction
WSW
243°
Sustained
1
mph
Gust
11
mph
Peak 24h
25
avg 6
Beaufort · 1 · LIGHT AIR
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 25 @ 1:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 232SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 88° from the wsw.
Sylvan Hills, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
973.0
+1.0 mb in 3h · rising · 28.73 inHg
Now
973.0
mb
3h
+1.0
mb
12h
-1.8
mb
24h
-2.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 972976
965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW975.8971.7972.9
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Sylvan Hills, PA
Air quality
74
AQI
Moderate
+13 in 6h

AQI 74 (Moderate), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
2.5μg/m³
PM 10Good
3μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
98μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 46
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 6
Sylvan Hills, PA
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
19.6mi
UNLIMITED
77 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
02:24 UTC · Sylvan Hills, PA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
02:24 UTC · Sylvan Hills, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sylvan Hills, PA
Satellite · infrared · animated
Sylvan Hills, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sylvan Hills, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:16 AM
Sunrise
1:48 AM
Daylight
14h 59m
Sunset
4:47 PM
Civil dusk
9:21 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Sylvan Hills, PA
The moon
Waning Gibbous
77% illuminated
Moonrise
11:31 PM
Moonset
11:23 AM
In sign
♓︎ Pisces
Sylvan Hills, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Sylvan Hills at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 19 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Sylvan Hills

  1. Sat91°67°67%
  2. Sun83°67°43%
  3. Mon80°67°83%
  4. Tue75°67°73%
  5. Wed69°66°19%
  6. Thu87°63°15%
  7. Fri82°66°52%
  8. Sat82°61°34%
  9. Sun81°58°20%
  10. Mon82°53°23%
  11. Tue85°59°21%
  12. Wed82°61°31%
  13. Thu83°56°26%
  14. Fri86°56°42%
  15. Sat86°64°43%
  16. Sun80°68°49%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Sylvan Hills

SPC has placed Sylvan Hills in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Sylvan Hills

  • 16648

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.