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

Hershey, Pennsylvania Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Hershey, PA
Saturday, July 4 at 8:24 AM
84
°
Clear
Feels like
86°
Humidity
52%
Wind
8 mph
Sunrise
1:42 AM
Sunset
4:39 PM
Hershey, PA
Hour by hour · 24h
24-Hour ForecastHershey, PA: 24-hour forecast. Temperatures range from 74 to 101 degrees Fahrenheit with a 43% chance of precipitation at 9 PM.
L 74°H 101°
Hershey, PA
7-day forecast
  1. Today
    Jul 4
    Drizzle
    43%
    0.06″
    101°74°
  2. Sunday
    Jul 5
    Rain
    93%
    0.14″
    95°73°-6°
  3. Monday
    Jul 6
    Light Rain
    93%
    0.22″
    74°64°-21°
  4. Tuesday
    Jul 7
    Light Drizzle
    65%
    0.02″
    72°60°-2°
  5. Wednesday
    Jul 8
    Mostly Clear
    12%
    83°56°+11°
  6. Thursday
    Jul 9
    Overcast
    32%
    90°65°+7°
  7. Friday
    Jul 10
    Light Drizzle
    38%
    85°68°-5°
Hershey, PA
Anemometer · 24h winds · from true
NESW
From · True
W
263° · backing 11°
Direction
W
263°
Sustained
8
mph
Gust
17
mph
Peak 24h
29
avg 7
Beaufort · 3 · GENTLE BRZ
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 7 · pk 29 @ 2:00a
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 311SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 11° from the w.
Hershey, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1001.1
+0.9 mb in 3h · rising · 29.56 inHg
Now
1001.1
mb
3h
+0.9
mb
12h
+1.3
mb
24h
-2.3
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10001003
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.3999.71001.0
−24h−18h−12h−6hnow
Pressure climbing out of the rain band — clearing edging in.
Hershey, PA
Air quality
57
AQI
Moderate
+1 in 6hPeak ~64 @ 6 PM

AQI 57 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.7 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.

PM 2.5DRIVERGood
8.7μg/m³
PM 10Good
9μg/m³
NO₂Good
3μg/m³
OzoneUnhealthy SG
102μg/m³
UV IndexLow
1.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 48 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.

Present
AQI 48
UV peak
4.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 28

PM × Wind × Precip

PM2.5 at 8.7 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
light
Recent rain
0h in last 6h
Pattern
background
Hershey, PA
Sky cover · visibility · 24h
Cloud cover
1%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
71.1mi
UNLIMITED
103 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
12:24 UTC · Hershey, 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
12:24 UTC · Hershey, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Hershey, PA
Satellite · infrared · animated
Hershey, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Hershey, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:10 AM
Sunrise
1:42 AM
Daylight
14h 57m
Sunset
4:39 PM
Civil dusk
9:13 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Hershey, PA
The moon
Waning Gibbous
82% illuminated
Moonrise
11:00 PM
Moonset
10:09 AM
In sign
♓︎ Pisces
Hershey, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Hershey at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: April 18 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 17033

16-Day Forecast — Hershey

  1. Sat101°74°43%
  2. Sun95°73°93%
  3. Mon74°64°93%
  4. Tue72°60°65%
  5. Wed83°56°12%
  6. Thu90°65°32%
  7. Fri85°68°38%
  8. Sat85°71°33%
  9. Sun75°65°27%
  10. Mon70°64°16%
  11. Tue79°64°13%
  12. Wed85°66°29%
  13. Thu92°69°30%
  14. Fri93°72°36%
  15. Sat81°71°42%
  16. Sun85°68°34%

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

Right now in the garden

Peak growing season

As of July 4, 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 — Hershey

SPC has placed Hershey in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWSLGTSlight Risk
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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 Hershey

  • 17033
  • 17036

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.