Weather in Chestnut Grove, MD
Chestnut Grove, Sunday, 9 August, 03:05
Partly cloudy. Feels like 71°. High 87°, low 70°.
Monthly outlook for Chestnut Grove, MD: average high 89.5°, average low 65.1°. That is 3.5° above the climate normal for August. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 21 August (101.8°), the coolest 16 August (52.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 85.1° | 83.9° | +0.7° |
| 19 August – 28 August | 96.8° | 82.7° | +7.8° |
| 29 August – 7 September | at normal | 81.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Rohrersville (2 mi).
0.02
Chestnut Grove, Monday, 10 August
Light rain. High 89°, low 71°.
0.3Chestnut Grove, Tuesday, 11 August
Rain. High 93°, low 68°.
0.15Chestnut Grove, Wednesday, 12 August
Light rain. High 90°, low 66°.
0.02Chestnut Grove, Thursday, 13 August
Light rain. High 85°, low 65°.
0
Chestnut Grove, Friday, 14 August
Overcast. High 81°, low 58°.
0Chestnut Grove, Saturday, 15 August
Overcast. High 80°, low 55°.
0Chestnut Grove, Sunday, 16 August
Overcast. High 76°, low 53°.
0
Chestnut Grove, Monday, 17 August
Partly cloudy. High 84°, low 65°.
0.03Chestnut Grove, Tuesday, 18 August
Light rain. High 86°, low 64°.
0
Chestnut Grove, Wednesday, 19 August
Mostly clear. High 88°, low 63°.
0Chestnut Grove, Thursday, 20 August
Partly cloudy. High 94°, low 64°.
0.56Chestnut Grove, Friday, 21 August
Rain. High 102°, low 67°.
0.02Chestnut Grove, Saturday, 22 August
Light rain. High 99°, low 74°.
0.06Chestnut Grove, Sunday, 23 August
Light rain. High 101°, low 71°.
0.5Chestnut Grove, Monday, 24 August
Rain. High 98°, low 70°.
0.05Chestnut Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Chestnut Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Chestnut Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13
Chestnut Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.07Chestnut Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Chestnut Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Chestnut Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Chestnut Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Chestnut Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06Chestnut Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Chestnut Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Chestnut Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.24Chestnut Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Chestnut Grove, 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 Grove, 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 Grove, 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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