Keystone, Thursday, 15 October, 01:45
Overcast. Feels like 67°. High 68°, low 51°.
Two-week outlook for Keystone, DE: week one averages a high of 65.8° and week two 66.7°, so week two runs 0.9° warmer than week one. Around 1.2 inches of precipitation are expected over the 14 days, across 3 wet days. The nearest weekend, October 17: 63°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (October 15 – October 21) | 65.8° | 46.4° | 0.3 in / 1 d | — |
| 2nd (October 22 – October 28) | 66.7° | 55.6° | 1.0 in / 2 d | — |
Keystone, Friday, 16 October
Rain. High 78°, low 54°.
Keystone, Saturday, 17 October
Light rain. High 63°, low 44°.
Keystone, Sunday, 18 October
Clear. High 56°, low 40°.
Keystone, Monday, 19 October
Clear. High 61°, low 40°.
Keystone, Tuesday, 20 October
Clear. High 67°, low 44°.
Keystone, Wednesday, 21 October
Clear. High 67°, low 52°.
Keystone, Thursday, 22 October
Clear. High 66°, low 52°.
Keystone, Friday, 23 October
Clear. High 67°, low 51°.
Keystone, Saturday, 24 October
Overcast. High 70°, low 54°.
Keystone, Sunday, 25 October
Clear. High 70°, low 55°.
Keystone, Monday, 26 October
Light rain. High 68°, low 59°.
Keystone, Tuesday, 27 October
Light rain. High 64°, low 60°.
Keystone, Wednesday, 28 October
Rain. High 62°, low 59°.
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 Keystone, DE, 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.