10-day forecast for Upper Nazareth, PA: 53° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Monday, August 10
69° · 0.12 in
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0
Morning74°feels 75°
Afternoon85°feels 87°
Evening77°feels 78°
Overnight72°feels 72°
87 °
Upper Nazareth, Monday, 10 August
Partly cloudy. High 87°, low 71°.
Pressure30.00 inHg
Wind8.5 mph W
Humidity50%
Visibility6.2 mi
Dew point64°
Tue, 1189° / 69°0.02
Morning73°feels 74°
Afternoon88°feels 90°
Evening77°feels 78°
Overnight72°feels 73°
89 °
Upper Nazareth, Tuesday, 11 August
Light rain. High 89°, low 69°.
Pressure29.88 inHg
Wind5.8 mph NW
Humidity55%
Visibility6.2 mi
Dew point66°
Wed, 1284° / 69°0.12
Morning71°feels 72°
Afternoon84°feels 86°
Evening70°feels 71°
Overnight70°feels 71°
84 °
Upper Nazareth, Wednesday, 12 August
Light rain. High 84°, low 69°.
Pressure29.71 inHg
Wind10.3 mph W
Humidity66%
Visibility6.2 mi
Dew point67°
Thu, 1381° / 60°0.02
Morning72°feels 73°
Afternoon79°feels 79°
Evening67°feels 66°
Overnight62°feels 61°
81 °
Upper Nazareth, Thursday, 13 August
Light rain. High 81°, low 60°.
Pressure29.77 inHg
Wind12.2 mph N
Humidity41%
Visibility—
Dew point54°
Fri, 1477° / 54°0
Morning64°feels 63°
Afternoon74°feels 73°
Evening67°feels 66°
Overnight63°feels 62°
77 °
Upper Nazareth, Friday, 14 August
Clear. High 77°, low 54°.
Pressure30.00 inHg
Wind9.5 mph W
Humidity37%
Visibility—
Dew point46°
Sat, 1578° / 54°0
Morning67°feels 66°
Afternoon76°feels 75°
Evening65°feels 64°
Overnight59°feels 58°
78 °
Upper Nazareth, Saturday, 15 August
Clear. High 78°, low 54°.
Pressure30.12 inHg
Wind12.8 mph NW
Humidity38%
Visibility—
Dew point48°
Sun, 1680° / 53°0
Morning66°feels 65°
Afternoon78°feels 77°
Evening67°feels 66°
Overnight61°feels 60°
80 °
Upper Nazareth, Sunday, 16 August
Overcast. High 80°, low 53°.
Pressure30.15 inHg
Wind5.2 mph NW
Humidity31%
Visibility—
Dew point44°
Mon, 1776° / 56°0.09
Morning66°feels 66°
Afternoon74°feels 75°
Evening67°feels 67°
Overnight65°feels 65°
76 °
Upper Nazareth, Monday, 17 August
Light rain. High 76°, low 56°.
Pressure30.09 inHg
Wind8.9 mph S
Humidity66%
Visibility—
Dew point62°
Tue, 1869° / 64°0.12
Morning65°feels 66°
Afternoon66°feels 67°
Evening66°feels 67°
Overnight65°feels 65°
69 °
Upper Nazareth, Tuesday, 18 August
Light rain. High 69°, low 64°.
Pressure30.09 inHg
Wind7.2 mph SE
Humidity89%
Visibility—
Dew point63°
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 Upper Nazareth, 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.