10-day forecast for Perth, NY: 48° to 83°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
82°
Best day: Sunday, August 9
77° · 0.48 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0982° / 65°0
Morning72°feels 73°
Afternoon82°feels 82°
Evening70°feels 70°
Overnight69°feels 70°
82 °
Perth, Sunday, 9 August
Clear. High 82°, low 65°.
Pressure29.97 inHg
Wind12.2 mph W
Humidity53%
Visibility6.2 mi
Dew point60°
Mon, 1080° / 61°0.04
Morning67°feels 67°
Afternoon75°feels 75°
Evening70°feels 71°
Overnight63°feels 63°
80 °
Perth, Monday, 10 August
Light rain. High 80°, low 61°.
Pressure29.94 inHg
Wind5.7 mph SW
Humidity60%
Visibility6.2 mi
Dew point62°
Tue, 1182° / 66°0
Morning67°feels 68°
Afternoon81°feels 81°
Evening68°feels 69°
Overnight68°feels 69°
82 °
Perth, Tuesday, 11 August
Overcast. High 82°, low 66°.
Pressure29.85 inHg
Wind9.4 mph W
Humidity46%
Visibility6.2 mi
Dew point56°
Wed, 1277° / 60°0.48
Morning60°feels 61°
Afternoon76°feels 76°
Evening67°feels 67°
Overnight62°feels 62°
77 °
Perth, Wednesday, 12 August
Rain. High 77°, low 60°.
Pressure29.74 inHg
Wind3.9 mph SE
Humidity65%
Visibility6.2 mi
Dew point61°
Thu, 1373° / 53°0.06
Morning65°feels 65°
Afternoon71°feels 70°
Evening60°feels 59°
Overnight55°feels 54°
73 °
Perth, Thursday, 13 August
Light rain. High 73°, low 53°.
Pressure29.74 inHg
Wind12.9 mph W
Humidity46%
Visibility—
Dew point50°
Fri, 1470° / 53°0
Morning60°feels 59°
Afternoon66°feels 65°
Evening60°feels 59°
Overnight54°feels 53°
70 °
Perth, Friday, 14 August
Partly cloudy. High 70°, low 53°.
Pressure29.97 inHg
Wind11.5 mph W
Humidity51%
Visibility—
Dew point47°
Sat, 1574° / 50°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening60°feels 58°
Overnight54°feels 53°
74 °
Perth, Saturday, 15 August
Clear. High 74°, low 50°.
Pressure30.09 inHg
Wind13.1 mph NW
Humidity39%
Visibility—
Dew point45°
Sun, 1675° / 48°0
Morning61°feels 60°
Afternoon73°feels 72°
Evening60°feels 60°
Overnight56°feels 55°
75 °
Perth, Sunday, 16 August
Clear. High 75°, low 48°.
Pressure30.15 inHg
Wind9.3 mph SW
Humidity38%
Visibility—
Dew point45°
Mon, 1778° / 51°0.05
Morning63°feels 63°
Afternoon76°feels 76°
Evening65°feels 65°
Overnight62°feels 62°
78 °
Perth, Monday, 17 August
Light rain. High 78°, low 51°.
Pressure30.09 inHg
Wind4.3 mph SE
Humidity48%
Visibility—
Dew point54°
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 Perth, NY 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.