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

Boyertown, Pennsylvania Weather

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

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

Boyertown, PA
Saturday, July 4 at 7:52 AM
81
°
Clear
Feels like
84°
Humidity
57%
Wind
5 mph
Sunrise
1:38 AM
Sunset
4:35 PM
Boyertown, PA
Hour by hour · 24h
24-Hour ForecastBoyertown, PA: 24-hour forecast. Temperatures range from 74 to 100 degrees Fahrenheit with a 43% chance of precipitation at 10 PM.
L 74°H 100°
Boyertown, PA
7-day forecast
  1. Today
    Jul 4
    Rain
    43%
    0.27″
    100°74°
  2. Sunday
    Jul 5
    Light Rain
    93%
    0.24″
    95°71°-5°
  3. Monday
    Jul 6
    Thunderstorm
    93%
    0.21″
    76°63°-19°
  4. Tuesday
    Jul 7
    Light Drizzle
    72%
    0.02″
    70°57°-6°
  5. Wednesday
    Jul 8
    Overcast
    13%
    82°55°+12°
  6. Thursday
    Jul 9
    Partly Cloudy
    31%
    87°60°+5°
  7. Friday
    Jul 10
    Light Drizzle
    34%
    88°66°+1°
Boyertown, PA
Anemometer · 24h winds · from true
NESW
From · True
W
260° · veering 22°
Direction
W
260°
Sustained
5
mph
Gust
13
mph
Peak 24h
18
avg 6
Beaufort · 2 · LIGHT 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 6 · pk 18 @ 4:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 334SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 22° from the w.
Boyertown, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
999.5
0.0 mb in 3h · steady · 29.52 inHg
Now
999.5
mb
3h
0.0
mb
12h
+0.6
mb
24h
-2.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9991003
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1002.5999.0999.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Boyertown, PA
Air quality
56
AQI
Moderate
+6 in 6h

AQI 56 (Moderate), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERModerate
13.6μg/m³
PM 10Good
15μg/m³
NO₂Good
6μg/m³
OzoneModerate
75μg/m³
UV IndexLow
0.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 35 now. With UV 1.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.

Present
AQI 35
UV peak
1.7 at 1 PM
Sky at peak
clear
Projected peak
AQI 8

PM × Wind × Precip

PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Boyertown, PA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
66.3mi
UNLIMITED
106 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
11:52 UTC · Boyertown, 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
11:52 UTC · Boyertown, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Boyertown, PA
Satellite · infrared · animated
Boyertown, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Boyertown, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
1:38 AM
Daylight
14h 57m
Sunset
4:35 PM
Civil dusk
9:09 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Boyertown, PA
The moon
Waning Gibbous
82% illuminated
Moonrise
10:56 PM
Moonset
10:05 AM
In sign
♓︎ Pisces
Boyertown, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Boyertown at a glance

  • Today vs. normal: 10°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: 19512

16-Day Forecast — Boyertown

  1. Sat100°74°43%
  2. Sun95°71°93%
  3. Mon76°63°93%
  4. Tue70°57°72%
  5. Wed82°55°13%
  6. Thu87°60°31%
  7. Fri88°66°34%
  8. Sat82°70°28%
  9. Sun71°66°28%
  10. Mon71°65°14%
  11. Tue79°64°16%
  12. Wed85°63°30%
  13. Thu91°70°27%
  14. Fri91°69°36%
  15. Sat78°69°45%
  16. Sun85°67°36%

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 — Boyertown

SPC has placed Boyertown 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 Boyertown

  • 19512

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.