10-day forecast for South Bethlehem, PA: 60° to 88°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, August 9
82° · 0.32 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1082° / 65°0.32
Morning68°feels 69°
Afternoon78°feels 78°
Evening77°feels 78°
Overnight68°feels 68°
82 °
South Bethlehem, Monday, 10 August
Rain. High 82°, low 65°.
Pressure29.97 inHg
Wind10.1 mph SW
Humidity91%
Visibility6.2 mi
Dew point69°
Tue, 1182° / 64°0.16
Morning65°feels 65°
Afternoon81°feels 83°
Evening72°feels 73°
Overnight68°feels 69°
82 °
South Bethlehem, Tuesday, 11 August
Light rain. High 82°, low 64°.
Pressure29.97 inHg
Wind8.5 mph SW
Humidity73%
Visibility6.2 mi
Dew point66°
Wed, 1274° / 63°0.2
Morning64°feels 65°
Afternoon69°feels 70°
Evening70°feels 70°
Overnight66°feels 67°
74 °
South Bethlehem, Wednesday, 12 August
Rain. High 74°, low 63°.
Pressure29.83 inHg
Wind6.4 mph SW
Humidity97%
Visibility6.2 mi
Dew point66°
Thu, 1376° / 60°0
Morning62°feels 62°
Afternoon76°feels 75°
Evening65°feels 64°
Overnight62°feels 62°
76 °
South Bethlehem, Thursday, 13 August
Overcast. High 76°, low 60°.
Pressure30.00 inHg
Wind10.3 mph NW
Humidity48%
Visibility6.2 mi
Dew point52°
Fri, 1477° / 62°0
Morning67°feels 66°
Afternoon76°feels 76°
Evening69°feels 69°
Overnight64°feels 64°
77 °
South Bethlehem, Friday, 14 August
Overcast. High 77°, low 62°.
Pressure30.06 inHg
Wind5.1 mph E
Humidity49%
Visibility—
Dew point55°
Sat, 1571° / 62°0
Morning66°feels 66°
Afternoon70°feels 71°
Evening68°feels 69°
Overnight65°feels 66°
71 °
South Bethlehem, Saturday, 15 August
Overcast. High 71°, low 62°.
Pressure30.15 inHg
Wind6.1 mph S
Humidity77%
Visibility—
Dew point62°
Sun, 1688° / 64°0.2
Morning74°feels 76°
Afternoon86°feels 91°
Evening73°feels 74°
Overnight67°feels 67°
88 °
South Bethlehem, Sunday, 16 August
Light rain. High 88°, low 64°.
Pressure29.77 inHg
Wind17.3 mph W
Humidity55%
Visibility—
Dew point68°
Mon, 1777° / 62°0
Morning66°feels 66°
Afternoon74°feels 74°
Evening67°feels 67°
Overnight63°feels 63°
77 °
South Bethlehem, Monday, 17 August
Overcast. High 77°, low 62°.
Pressure30.03 inHg
Wind8.5 mph N
Humidity50%
Visibility—
Dew point54°
Tue, 1884° / 64°0.01
Morning69°feels 69°
Afternoon80°feels 81°
Evening83°feels 85°
Overnight75°feels 76°
84 °
South Bethlehem, Tuesday, 18 August
Light rain. High 84°, low 64°.
Pressure29.94 inHg
Wind12 mph W
Humidity66%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in South Bethlehem, PA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.