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Allentown, Pennsylvania weather · now

70°

Light Rain

High / Low
78° / 66°
Wind
21 mph N
Humidity
83%
Light precipitation starts at 12:00 PM (21 min), lasting roughly 15 min.

Precipitation · next 12 hrs

Peak 60% · 11 AM

11 AM
·
·
2 PM
·
·
5 PM
·
·
8 PM
·
10 PM
ModerateAir quality PollenTreeLowGrassHighWeedNone
Sun 5:33 AM 8:36 PM 15h 4m
Moon Waxing Gibbous 94% lit

Current weather and 7-day forecast for Allentown, Pennsylvania, sourced directly from the National Weather Service. Expect rain showers likely then slight chance showers and thunderstorms today. Today's high is 78° with a low near 66°.

What to wear today

Rain jacket and umbrella

Plan for showers (60%). Skip cotton or anything that dries slow.

Next 24 hours

60° 70° 80° ↑ 77° ↓ 66° 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM 8 AM

  1. 11 AM

    73°

    60%

  2. 1 PM

    76°

    56%

  3. 3 PM

    77°

    34%

  4. 5 PM

    77°

    30%

  5. 7 PM

    76°

    19%

  6. 9 PM

    73°

    15%

  7. 11 PM

    70°

    13%

  8. 1 AM

    68°

    20%

  9. 3 AM

    67°

    16%

  10. 5 AM

    67°

    13%

  11. 7 AM

    67°

    10%

  12. 9 AM

    72°

    0%

Live radar

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7 days

  1. Today 6/27 Rain Showers Likely then Slight Chance Showers And Thunderstorms 60% 78° · 66°
    1. 11 AM 73° Rain Showers Likely 60%
    2. 12 PM 75° Chance Rain Showers 51%
    3. 1 PM 76° Rain Showers Likely 56%
    4. 2 PM 76° Slight Chance Showers And Thunderstorms 20%
    5. 3 PM 77° Chance Showers And Thunderstorms 34%
    6. 4 PM 77° Chance Showers And Thunderstorms 49%
    7. 5 PM 77° Chance Showers And Thunderstorms 30%
    8. 6 PM 77° Slight Chance Showers And Thunderstorms 22%
    9. 7 PM 76° Slight Chance Showers And Thunderstorms 19%
    10. 8 PM 75° Slight Chance Rain Showers 17%
    11. 9 PM 73° Slight Chance Rain Showers 15%
    12. 10 PM 71° Slight Chance Rain Showers 15%
    13. 11 PM 70° Partly Cloudy 13%
  2. Sun 6/28 Partly Sunny then Chance Showers And Thunderstorms 26% 83° · 65°
    1. 12 AM 69° Partly Cloudy 13%
    2. 1 AM 68° Slight Chance Rain Showers 20%
    3. 2 AM 68° Partly Cloudy 13%
    4. 3 AM 67° Slight Chance Rain Showers 16%
    5. 4 AM 67° Mostly Cloudy 10%
    6. 5 AM 67° Mostly Cloudy 13%
    7. 6 AM 66° Mostly Cloudy 12%
    8. 7 AM 67° Mostly Cloudy 10%
    9. 8 AM 69° Partly Sunny 1%
    10. 9 AM 72° Mostly Cloudy
    11. 10 AM 75° Partly Sunny
    12. 11 AM 77° Partly Sunny
    13. 12 PM 78° Mostly Cloudy
    14. 1 PM 80° Mostly Cloudy 13%
    15. 2 PM 80° Chance Showers And Thunderstorms 26%
    16. 3 PM 82° Slight Chance Showers And Thunderstorms 19%
    17. 4 PM 82° Partly Sunny 12%
    18. 5 PM 82° Partly Sunny 5%
    19. 6 PM 82° Mostly Cloudy 13%
    20. 7 PM 81° Mostly Cloudy 9%
    21. 8 PM 79° Partly Cloudy 4%
    22. 9 PM 76° Mostly Cloudy 4%
    23. 10 PM 74° Partly Cloudy 4%
    24. 11 PM 72° Partly Cloudy 4%
  3. Mon 6/29 Mostly Sunny 7% 87° · 68°
    1. 12 AM 70° Partly Cloudy 4%
    2. 1 AM 69° Partly Cloudy 4%
    3. 2 AM 68° Partly Cloudy 2%
    4. 3 AM 67° Partly Cloudy 2%
    5. 4 AM 66° Partly Cloudy 2%
    6. 5 AM 65° Partly Cloudy 2%
    7. 6 AM 66° Mostly Sunny 2%
    8. 7 AM 67° Mostly Sunny 2%
    9. 8 AM 69° Mostly Sunny 2%
    10. 9 AM 72° Mostly Sunny 2%
    11. 10 AM 77° Mostly Sunny 2%
    12. 11 AM 80° Sunny 2%
    13. 12 PM 82° Sunny 2%
    14. 1 PM 84° Mostly Sunny 2%
    15. 2 PM 85° Mostly Sunny 7%
    16. 3 PM 86° Mostly Sunny 7%
    17. 4 PM 86° Mostly Sunny 7%
    18. 5 PM 86° Mostly Sunny 7%
    19. 6 PM 86° Mostly Clear 7%
    20. 7 PM 84° Mostly Clear 7%
    21. 8 PM 82° Mostly Clear 1%
    22. 9 PM 79° Mostly Clear 1%
    23. 10 PM 76° Mostly Clear 1%
    24. 11 PM 73° Mostly Clear 1%
  4. Tue 6/30 Mostly Sunny 13% 89° · 71°
    1. 12 AM 71° Mostly Clear 1%
    2. 1 AM 70° Partly Cloudy 1%
    3. 2 AM 69° Partly Cloudy 3%
    4. 3 AM 69° Partly Cloudy 3%
    5. 4 AM 68° Partly Cloudy 3%
    6. 5 AM 68° Partly Cloudy 3%
    7. 6 AM 68° Mostly Sunny 3%
    8. 7 AM 70° Mostly Sunny 3%
    9. 8 AM 72° Mostly Sunny 5%
    10. 9 AM 73° Mostly Sunny 5%
    11. 10 AM 78° Mostly Sunny 5%
    12. 11 AM 82° Mostly Sunny 5%
    13. 12 PM 84° Mostly Sunny 5%
    14. 1 PM 86° Mostly Sunny 5%
    15. 2 PM 88° Mostly Sunny 6%
    16. 3 PM 89° Mostly Sunny 6%
    17. 4 PM 89° Mostly Sunny 6%
    18. 5 PM 89° Mostly Sunny 6%
    19. 6 PM 88° Partly Cloudy 6%
    20. 7 PM 87° Partly Cloudy 6%
    21. 8 PM 86° Partly Cloudy 13%
    22. 9 PM 83° Partly Cloudy 13%
    23. 10 PM 79° Partly Cloudy 13%
    24. 11 PM 77° Partly Cloudy 13%
  5. Wed 7/1 Mostly Sunny 10% 96° · 75°
    1. 12 AM 76° Partly Cloudy 13%
    2. 1 AM 75° Partly Cloudy 13%
    3. 2 AM 74° Partly Cloudy 4%
    4. 3 AM 73° Partly Cloudy 4%
    5. 4 AM 71° Partly Cloudy 4%
    6. 5 AM 71° Partly Cloudy 4%
    7. 6 AM 71° Mostly Sunny 4%
    8. 7 AM 73° Mostly Sunny 4%
    9. 8 AM 75° Mostly Sunny 5%
    10. 9 AM 79° Mostly Sunny 5%
    11. 10 AM 84° Mostly Sunny 5%
    12. 11 AM 88° Mostly Sunny 5%
    13. 12 PM 91° Mostly Sunny 5%
    14. 1 PM 93° Mostly Sunny 5%
    15. 2 PM 94° Mostly Sunny 10%
    16. 3 PM 95° Mostly Sunny 10%
    17. 4 PM 96° Mostly Sunny 10%
    18. 5 PM 96° Mostly Sunny 10%
    19. 6 PM 96° Partly Cloudy 10%
    20. 7 PM 95° Partly Cloudy 10%
    21. 8 PM 93° Mostly Clear 5%
    22. 9 PM 90° Mostly Clear 5%
    23. 10 PM 86° Mostly Clear 5%
    24. 11 PM 83° Mostly Clear 5%
  6. Thu 7/2 Sunny 9% 100° · 76°
    1. 12 AM 81° Mostly Clear 5%
    2. 1 AM 80° Mostly Clear 5%
    3. 2 AM 79° Mostly Clear 2%
    4. 3 AM 78° Mostly Clear 2%
    5. 4 AM 76° Mostly Clear 2%
    6. 5 AM 76° Mostly Clear 2%
    7. 6 AM 76° Sunny 2%
    8. 7 AM 77° Sunny 2%
    9. 8 AM 80° Sunny 1%
    10. 9 AM 84° Sunny 1%
    11. 10 AM 90° Sunny 1%
    12. 11 AM 94° Sunny 1%
    13. 12 PM 97° Sunny 1%
    14. 1 PM 98° Sunny 1%
    15. 2 PM 99° Sunny 8%
    16. 3 PM 100° Sunny 8%
    17. 4 PM 100° Sunny 8%
    18. 5 PM 100° Sunny 8%
    19. 6 PM 99° Mostly Clear 8%
    20. 7 PM 98° Mostly Clear 8%
    21. 8 PM 96° Mostly Clear 9%
    22. 9 PM 92° Mostly Clear 9%
    23. 10 PM 88° Mostly Clear 9%
    24. 11 PM 84° Mostly Clear 9%
  7. Fri 7/3 Sunny then Slight Chance Showers And Thunderstorms 19% 99° · 73°
    1. 12 AM 82° Mostly Clear 9%
    2. 1 AM 81° Mostly Clear 9%
    3. 2 AM 80° Mostly Clear 2%
    4. 3 AM 79° Mostly Clear 2%
    5. 4 AM 77° Mostly Clear 2%
    6. 5 AM 77° Mostly Clear 2%
    7. 6 AM 77° Sunny 2%
    8. 7 AM 78° Sunny 2%
    9. 8 AM 80° Sunny 1%
    10. 9 AM 84° Sunny 1%
    11. 10 AM 89° Sunny 1%
    12. 11 AM 93° Sunny 1%
    13. 12 PM 95° Sunny 1%
    14. 1 PM 96° Sunny 1%
    15. 2 PM 97° Slight Chance Showers And Thunderstorms 17%
    16. 3 PM 98° Slight Chance Showers And Thunderstorms 17%
    17. 4 PM 99° Slight Chance Showers And Thunderstorms 17%
    18. 5 PM 99° Slight Chance Showers And Thunderstorms 17%
    19. 6 PM 98° Slight Chance Showers And Thunderstorms 17%
    20. 7 PM 96° Slight Chance Showers And Thunderstorms 17%
    21. 8 PM 93° Slight Chance Showers And Thunderstorms 19%
    22. 9 PM 89° Slight Chance Showers And Thunderstorms 19%
    23. 10 PM 85° Slight Chance Showers And Thunderstorms 19%
Extended outlook days 8–16
  1. Sat 7/4 Thunderstorms 30% 96° · 71°
  2. Sun 7/5 Cloudy 30% 90° · 69°
  3. Mon 7/6 Cloudy 28% 85° · 68°
  4. Tue 7/7 Cloudy 23% 85° · 65°
  5. Wed 7/8 Rain Showers 27% 71° · 67°
  6. Thu 7/9 Drizzle 32% 86° · 67°
  7. Fri 7/10 Mostly Sunny 33% 76° · 64°
  8. Sat 7/11 Partly Cloudy 28% 84° · 62°
  9. Sun 7/12 Cloudy 29% 90° · 66°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Monday, 6/29

Mostly Sunny, 87° / 68°

  1. Tomorrow83°65°
  2. Mon87°68°
  3. Tue89°71°
  4. Wed96°75°
  5. Thu100°76°
  6. Fri99°73°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    warm at 66°F · calm wind · slight chance of rain (12%) · rain should clear by 6 AM · pollen high today — allergy sufferers, take note

    Excellent98 / 100
  • Bike2 PM

    comfortable at 76°F · calm wind · slight chance of rain (20%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf2 PM

    comfortable at 76°F · calm wind · slight chance of rain (20%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic2 PM

    comfortable at 76°F · calm wind · slight chance of rain (20%) · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

Climate normals

What weather to expect in Allentown

Allentown in June typically averages 82° highs and 63° lows, with about 17 days of rain. The hottest stretch is July (average high 87°); the coldest is January (average low 20°).

MonthAvg highAvg lowRainy days
Jan32°20°11
Feb37°22°12
Mar55°35°14
Apr64°44°13
May70°52°18
Jun82°63°17
Jul87°68°17
Aug81°62°14
Sep77°58°9
Oct66°46°8
Nov54°38°11
Dec39°25°14

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Allentown

Other cities in Pennsylvania

Detailed forecast (NWS)

Today
Rain showers likely before 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Sunday
A chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Partly sunny, with a high near 83. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 87. Southeast wind around 0 mph.
Tuesday
Mostly sunny, with a high near 89.

Forecast details

NWS gridpoint
PHI 34,107
Radar station
KDIX
Time zone
America/New_York
Coordinates
40.608, -75.490