Weather in Sandy Spring, MD
Sandy Spring, Saturday, 8 August, 14:47
Overcast. Feels like 100°. High 89°, low 71°.
Monthly outlook for Sandy Spring, MD: average high 83.2°, average low 66.7°. That is 0.2° below the climate normal for August. Precipitation is expected on 8 days (about 1.6 inches), against a normal of 6 days and 2.2 inches. The warmest day looks like 10 August (91.9°), the coolest 15 August (58°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.4° | 84.3° | +0.6° |
| 18 August – 27 August | 79.5° | 82.8° | -1.8° |
| 28 August – 6 September | at normal | 82° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Aspen Hill (5 mi).
0
Sandy Spring, Sunday, 9 August
Clear. High 89°, low 71°.
0.33
Sandy Spring, Monday, 10 August
Heavy rain. High 92°, low 71°.
0.1Sandy Spring, Tuesday, 11 August
Light rain. High 90°, low 70°.
0.05Sandy Spring, Wednesday, 12 August
Light rain. High 88°, low 71°.
0.06Sandy Spring, Thursday, 13 August
Light rain. High 87°, low 70°.
0.36Sandy Spring, Friday, 14 August
Rain. High 74°, low 61°.
0Sandy Spring, Saturday, 15 August
Clear. High 78°, low 58°.
0Sandy Spring, Sunday, 16 August
Clear. High 78°, low 61°.
0
Sandy Spring, Monday, 17 August
Mostly clear. High 87°, low 64°.
0.2Sandy Spring, Tuesday, 18 August
Light rain. High 73°, low 70°.
0.02Sandy Spring, Wednesday, 19 August
Light rain. High 86°, low 69°.
0Sandy Spring, Thursday, 20 August
Overcast. High 84°, low 65°.
0.45Sandy Spring, Friday, 21 August
Light rain. High 72°, low 68°.
0Sandy Spring, Saturday, 22 August
Mostly clear. High 86°, low 67°.
0
Sandy Spring, Sunday, 23 August
Partly cloudy. High 76°, low 61°.
0.09Sandy Spring, Monday, 24 August
Climate normal for this date — 60-year average.
0.07Sandy Spring, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Sandy Spring, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14
Sandy Spring, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Sandy Spring, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Sandy Spring, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Sandy Spring, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Sandy Spring, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Sandy Spring, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.12Sandy Spring, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Sandy Spring, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Sandy Spring, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Sandy Spring, Saturday, 5 September
Climate normal for this date — 60-year average.
0.24Sandy Spring, Sunday, 6 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 Sandy Spring, 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 Sandy Spring, 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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