10-day forecast for Helvetia, PA: 49° to 84°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, August 9
84° · 0.22 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 65°0.22
Morning67°feels 68°
Afternoon77°feels 77°
Evening76°feels 77°
Overnight65°feels 65°
84 °
Helvetia, Monday, 10 August
Rain. High 84°, low 65°.
Pressure30.03 inHg
Wind7.6 mph SW
Humidity92%
Visibility6.2 mi
Dew point66°
Tue, 1182° / 62°0.08
Morning64°feels 64°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight66°feels 67°
82 °
Helvetia, Tuesday, 11 August
Rain. High 82°, low 62°.
Pressure29.97 inHg
Wind4.8 mph NW
Humidity87%
Visibility6.2 mi
Dew point65°
Wed, 1275° / 62°0.15
Morning65°feels 66°
Afternoon75°feels 76°
Evening70°feels 71°
Overnight63°feels 62°
75 °
Helvetia, Wednesday, 12 August
Rain. High 75°, low 62°.
Pressure29.83 inHg
Wind5.9 mph SW
Humidity94%
Visibility6.2 mi
Dew point67°
Thu, 1376° / 61°0
Morning61°feels 61°
Afternoon74°feels 73°
Evening64°feels 63°
Overnight66°feels 66°
76 °
Helvetia, Thursday, 13 August
Overcast. High 76°, low 61°.
Pressure29.91 inHg
Wind12.4 mph NW
Humidity37%
Visibility—
Dew point46°
Fri, 1475° / 53°0
Morning62°feels 61°
Afternoon73°feels 72°
Evening60°feels 59°
Overnight54°feels 52°
75 °
Helvetia, Friday, 14 August
Overcast. High 75°, low 53°.
Pressure30.03 inHg
Wind9.5 mph NW
Humidity41%
Visibility—
Dew point47°
Sat, 1570° / 50°0
Morning59°feels 57°
Afternoon67°feels 66°
Evening57°feels 56°
Overnight53°feels 51°
70 °
Helvetia, Saturday, 15 August
Overcast. High 70°, low 50°.
Pressure30.27 inHg
Wind8.1 mph N
Humidity43%
Visibility—
Dew point44°
Sun, 1662° / 49°0
Morning57°feels 56°
Afternoon62°feels 61°
Evening59°feels 58°
Overnight57°feels 57°
62 °
Helvetia, Sunday, 16 August
Overcast. High 62°, low 49°.
Pressure30.15 inHg
Wind6.8 mph SE
Humidity65%
Visibility—
Dew point49°
Mon, 1774° / 56°0
Morning62°feels 62°
Afternoon70°feels 69°
Evening64°feels 63°
Overnight56°feels 56°
74 °
Helvetia, Monday, 17 August
Overcast. High 74°, low 56°.
Pressure29.97 inHg
Wind7.2 mph NW
Humidity58%
Visibility—
Dew point54°
Tue, 1879° / 53°0
Morning64°feels 64°
Afternoon77°feels 76°
Evening64°feels 64°
Overnight62°feels 61°
79 °
Helvetia, Tuesday, 18 August
Overcast. High 79°, low 53°.
Pressure29.97 inHg
Wind6.5 mph SW
Humidity42%
Visibility—
Dew point51°
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 Helvetia, 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.