BETHLEHEM, PA 18020 Weather Forecast & Current Conditions

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18020 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLENTOWN, PA Current Weather
1:51 PM EDT AUG 13, 2025
Scattered Clouds 90°F
Feels Like:	96°F
Dewpoint:	70°F
Rel. Hum.:	52%
Visibility:	10 miles
Wind:	SSW at 10 mph, gusts to 23
Pressure:	29.86 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

18020 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	BETHLEHEM, PA 18020 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. Hot with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 70 percent.

TONIGHT
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 60 percent.

THURSDAY
Patchy fog in the morning. Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Hot with highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 60 percent.

THURSDAY NIGHT
Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the upper 60s. North winds around 5 mph. Chance of rain 60 percent.

FRIDAY
Sunny, hot with highs in the upper 80s. Northeast winds around 5 mph.

FRIDAY NIGHT
Partly cloudy. Lows in the mid 60s.

SATURDAY
Mostly sunny. Hot with highs in the upper 80s.

SATURDAY NIGHT
Mostly clear. Lows in the upper 60s.

SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Chance of rain 30 percent.

SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of rain 30 percent.

MONDAY
Mostly sunny. Hot with highs in the mid 80s.

MONDAY NIGHT
Partly cloudy. Lows in the lower 60s.

TUESDAY
Mostly sunny. Highs around 80.

18020 WEATHER SATELLITE LOOPS

Visible Weather Satellite
BETHLEHEM, PA 18020

Infrared Weather Satellite
BETHLEHEM, PA 18020

18020 WEATHER RADAR LOOP

NEXRAD Weather Radar
BETHLEHEM, PA 18020

MOS COMPUTER WEATHER FORECAST

ALLENTOWN, PA 3 hourly weather forecast

weather forecast created 5:00 AM PDT 8/13/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
13 AUG 2025

2 PM

86°

91°

Mostly Cloudy

63%
RAIN
***

0% Thunder
( 48% severe)

SW 7

59%

70°

High 87°

5 PM

83°

88°

Mostly Cloudy

WSW 7

67%

71°

Mostly Cloudy

Rain Likely

8 PM

78°

80°

Mostly Cloudy

49%
RAIN
.01–.1 in

0% Thunder
( 31% severe)

SW 3

76%

70°

11 PM

74°

74°

Mostly Cloudy

WSW 2

90%

71°

Thursday
14 AUG 2025

2 AM

72°

72°

Mostly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 12% severe)

WNW 1

93%

70°

Low 69°

5 AM

70°

70°

Mostly Cloudy

NW 1

100%

70°

High 87°

8 AM

72°

72°

Mostly Cloudy

29%
RAIN
.01–.1 in

0% Thunder
( 23% severe)

NW 2

93%

70°

Mostly Cloudy

Chance of Rain

11 AM

79°

82°

Mostly Cloudy

N 3

74%

70°

2 PM

84°

88°

Partly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 31% severe)

NNW 6

61%

69°

5 PM

84°

87°

Partly Cloudy

NNE 7

59%

68°

8 PM

80°

82°

Partly Cloudy

7%

0% Thunder
( 10% severe)

NE 5

65%

67°

11 PM

74°

74°

Partly Cloudy

N 3

79%

67°

Friday
15 AUG 2025

2 AM

70°

70°

Clear

2%

0% Thunder
( 1% severe)

N 5

84%

65°

Low 65°

5 AM

67°

67°

Clear

NNE 5

87%

63°

High 87°

8 AM

70°

70°

Clear

4%

0% Thunder
( 1% severe)

NNE 5

81%

64°

Partly Cloudy

11 AM

79°

81°

Partly Cloudy

NE 6

62%

65°

2 PM

84°

85°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 9% severe)

ENE 6

51%

64°

5 PM

85°

86°

Partly Cloudy

E 6

50%

64°

8 PM

80°

82°

Partly Cloudy

E 5

60%

65°


ALLENTOWN, PA extended weather forecast
Saturday 16 AUG 2025	Sunday 17 AUG 2025	Monday 18 AUG 2025	Tuesday 19 AUG 2025	Wednesday 20 AUG 2025
Low 69°	Low 66°	Low 68°	Low 70°	Low 65°
High 87°	High 90°	High 90°	High 87°	High 80°

Partly Cloudy 18% Rain	Partly Cloudy 21% Rain	Partly Cloudy 26% Rain	Partly Cloudy 50% Rain	Mostly Cloudy 38% Rain

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