Great Falls, Sunday, 9 August, 02:59
Partly cloudy. Feels like 74°. High 90°, low 74°.
Two-week outlook for Great Falls, MD: week one averages a high of 88° and week two 89.8°, so week two runs 1.8° warmer than week one. Around 0.5 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 90°, dry.
| Week | High | Low | Precipitation | Vs normal |
|---|---|---|---|---|
| 1st (August 9 – August 15) | 88° | 69.2° | 0.3 in / 2 d | — |
| 2nd (August 16 – August 22) | 89.8° | 68.9° | 0.3 in / 2 d | — |
Great Falls, Monday, 10 August
Light rain. High 92°, low 73°.
Great Falls, Tuesday, 11 August
Rain. High 94°, low 71°.
Great Falls, Wednesday, 12 August
Rain. High 91°, low 71°.
Great Falls, Thursday, 13 August
Mostly clear. High 87°, low 71°.
Great Falls, Friday, 14 August
Overcast. High 81°, low 64°.
Great Falls, Saturday, 15 August
Overcast. High 81°, low 61°.
Great Falls, Sunday, 16 August
Overcast. High 76°, low 59°.
Great Falls, Monday, 17 August
Light rain. High 84°, low 69°.
Great Falls, Tuesday, 18 August
Clear. High 87°, low 66°.
Great Falls, Wednesday, 19 August
Clear. High 90°, low 68°.
Great Falls, Thursday, 20 August
Partly cloudy. High 93°, low 70°.
Great Falls, Friday, 21 August
Light rain. High 101°, low 74°.
Great Falls, Saturday, 22 August
Overcast. High 97°, low 77°.
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 Great Falls, MD, 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.