Weather in Chestnut Hills, MD
Chestnut Hills, Sunday, 9 August, 17:56
Clear. Feels like 96°. High 92°, low 73°.
Monthly outlook for Chestnut Hills, MD: average high 90.4°, average low 71.4°. That is 3.5° above the climate normal for August. Precipitation is expected on 8 days (about 1.1 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 16 August (104.6°), the coolest 15 August (65.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.7° | 84.9° | +2.7° |
| 19 August – 28 August | 91.5° | 83.5° | +4.5° |
| 29 August – 7 September | at normal | 82.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — College Park (3 mi).
0
Chestnut Hills, Monday, 10 August
Mostly clear. High 95°, low 75°.
0.09
Chestnut Hills, Tuesday, 11 August
Light rain. High 93°, low 71°.
0.04Chestnut Hills, Wednesday, 12 August
Light rain. High 90°, low 74°.
0Chestnut Hills, Thursday, 13 August
Clear. High 91°, low 72°.
0.04Chestnut Hills, Friday, 14 August
Light rain. High 73°, low 68°.
0
Chestnut Hills, Saturday, 15 August
Overcast. High 80°, low 66°.
0.15Chestnut Hills, Sunday, 16 August
Light rain. High 105°, low 71°.
0
Chestnut Hills, Monday, 17 August
Partly cloudy. High 87°, low 72°.
0.02Chestnut Hills, Tuesday, 18 August
Light rain. High 91°, low 70°.
0.08Chestnut Hills, Wednesday, 19 August
Light rain. High 97°, low 72°.
0Chestnut Hills, Thursday, 20 August
Mostly clear. High 94°, low 73°.
0.13Chestnut Hills, Friday, 21 August
Light rain. High 92°, low 72°.
0.27Chestnut Hills, Saturday, 22 August
Light rain. High 86°, low 73°.
0.24Chestnut Hills, Sunday, 23 August
Light rain. High 85°, low 72°.
0.07Chestnut Hills, Monday, 24 August
Light rain. High 95°, low 72°.
0.07Chestnut Hills, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Chestnut Hills, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Chestnut Hills, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Chestnut Hills, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Chestnut Hills, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Chestnut Hills, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Chestnut Hills, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Chestnut Hills, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Chestnut Hills, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Chestnut Hills, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Chestnut Hills, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Chestnut Hills, Saturday, 5 September
Climate normal for this date — 60-year average.
0.25Chestnut Hills, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Chestnut Hills, Monday, 7 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Chestnut Hills, MD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Chestnut Hills, MD since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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