10-day forecast for Markham, PA: 33° to 77°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Wednesday, October 14
64° · 0.75 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1274° / 54°0.19
Morning54°feels 54°
Afternoon74°feels 74°
Evening63°feels 62°
Overnight55°feels 55°
74 °
Markham, Monday, 12 October
Rain. High 74°, low 54°.
Pressure29.83 inHg
Wind9.6 mph N
Humidity73%
Visibility6.2 mi
Dew point58°
Tue, 1376° / 58°0
Morning59°feels 59°
Afternoon76°feels 76°
Evening69°feels 69°
Overnight61°feels 61°
76 °
Markham, Tuesday, 13 October
Clear. High 76°, low 58°.
Pressure29.94 inHg
Wind7.2 mph SW
Humidity67%
Visibility6.2 mi
Dew point62°
Wed, 1477° / 65°0
Morning67°feels 67°
Afternoon77°feels 78°
Evening72°feels 72°
Overnight66°feels 67°
77 °
Markham, Wednesday, 14 October
Partly cloudy. High 77°, low 65°.
Pressure29.91 inHg
Wind9.8 mph W
Humidity69%
Visibility6.2 mi
Dew point66°
Thu, 1565° / 55°0
Morning60°feels 60°
Afternoon63°feels 62°
Evening63°feels 62°
Overnight63°feels 62°
65 °
Markham, Thursday, 15 October
Overcast. High 65°, low 55°.
Pressure30.24 inHg
Wind9.6 mph N
Humidity63%
Visibility—
Dew point49°
Fri, 1666° / 56°0.5
Morning56°feels 56°
Afternoon59°feels 59°
Evening64°feels 63°
Overnight62°feels 61°
66 °
Markham, Friday, 16 October
Rain. High 66°, low 56°.
Pressure29.80 inHg
Wind19.5 mph NW
Humidity95%
Visibility—
Dew point56°
Sat, 1758° / 46°0.52
Morning53°feels 52°
Afternoon47°feels 44°
Evening47°feels 46°
Overnight48°feels 44°
58 °
Markham, Saturday, 17 October
Rain. High 58°, low 46°.
Pressure29.88 inHg
Wind16.2 mph W
Humidity91%
Visibility—
Dew point46°
Sun, 1845° / 37°0
Morning42°feels 34°
Afternoon43°feels 36°
Evening43°feels 37°
Overnight38°feels 30°
45 °
Markham, Sunday, 18 October
Clear. High 45°, low 37°.
Pressure30.12 inHg
Wind15.7 mph NW
Humidity46%
Visibility—
Dew point23°
Mon, 1950° / 33°0
Morning36°feels 29°
Afternoon44°feels 38°
Evening48°feels 46°
Overnight40°feels 37°
50 °
Markham, Monday, 19 October
Clear. High 50°, low 33°.
Pressure30.45 inHg
Wind11.3 mph NW
Humidity39%
Visibility—
Dew point18°
Tue, 2058° / 40°0
Morning43°feels 40°
Afternoon52°feels 49°
Evening56°feels 53°
Overnight46°feels 44°
58 °
Markham, Tuesday, 20 October
Partly cloudy. High 58°, low 40°.
Pressure30.45 inHg
Wind6.6 mph SW
Humidity43%
Visibility—
Dew point28°
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 Markham, 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.