Markham, Saturday, 10 October, 14:01
Overcast. Feels like 70°. High 71°, low 47°.
Two-week outlook for Markham, PA: week one averages a high of 69.6° and week two 58.9°, so week two runs 10.7° cooler than week one. Around 3.5 inches of precipitation are expected over the 14 days, across 5 wet days. The nearest weekend, October 10: 71°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 10 – October 16) | 69.6° | 52.9° | 3.4 in / 3 d | — |
| 2nd (October 17 – October 23) | 58.9° | 43.8° | 0.1 in / 2 d | — |
Markham, Sunday, 11 October
Rain. High 63°, low 52°.
Markham, Monday, 12 October
Heavy rain. High 72°, low 54°.
Markham, Tuesday, 13 October
Clear. High 75°, low 55°.
Markham, Wednesday, 14 October
Clear. High 75°, low 62°.
Markham, Thursday, 15 October
Clear. High 61°, low 51°.
Markham, Friday, 16 October
Light rain. High 69°, low 49°.
Markham, Saturday, 17 October
Light rain. High 60°, low 45°.
Markham, Sunday, 18 October
Mostly clear. High 50°, low 39°.
Markham, Monday, 19 October
Mostly clear. High 52°, low 36°.
Markham, Tuesday, 20 October
Clear. High 58°, low 40°.
Markham, Wednesday, 21 October
Overcast. High 60°, low 44°.
Markham, Thursday, 22 October
Light rain. High 65°, low 52°.
Markham, Friday, 23 October
Clear. High 67°, low 49°.
Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.
It is the gap between the forecast and the climate normal for those same dates in Markham, PA, computed over 60 years. A positive value means the week runs warmer than usual.
Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.