Weather in Chevy Chase Lake, MD
Chevy Chase Lake, Sunday, 9 August, 08:01
Overcast. Feels like 77°. High 90°, low 73°.
Monthly outlook for Chevy Chase Lake, MD: average high 90.7°, average low 71.2°. That is 3.6° above the climate normal for August. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 24 August (102.4°), the coolest 16 August (62.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.5° | 84.8° | +0.9° |
| 19 August – 28 August | 97.6° | 83.5° | +7.9° |
| 29 August – 7 September | at normal | 82.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Friendship Heights Village (2 mi).
0
Chevy Chase Lake, Monday, 10 August
Light rain. High 93°, low 73°.
0.05Chevy Chase Lake, Tuesday, 11 August
Light rain. High 94°, low 72°.
0.11Chevy Chase Lake, Wednesday, 12 August
Light rain. High 91°, low 72°.
0.01Chevy Chase Lake, Thursday, 13 August
Light rain. High 88°, low 73°.
0Chevy Chase Lake, Friday, 14 August
Overcast. High 82°, low 66°.
0Chevy Chase Lake, Saturday, 15 August
Overcast. High 81°, low 64°.
0Chevy Chase Lake, Sunday, 16 August
Overcast. High 79°, low 62°.
0.07Chevy Chase Lake, Monday, 17 August
Light rain. High 82°, low 69°.
0
Chevy Chase Lake, Tuesday, 18 August
Mostly clear. High 87°, low 67°.
0
Chevy Chase Lake, Wednesday, 19 August
Clear. High 90°, low 70°.
0
Chevy Chase Lake, Thursday, 20 August
Partly cloudy. High 93°, low 71°.
0.08Chevy Chase Lake, Friday, 21 August
Light rain. High 101°, low 75°.
0Chevy Chase Lake, Saturday, 22 August
Overcast. High 98°, low 79°.
0.05Chevy Chase Lake, Sunday, 23 August
Light rain. High 101°, low 78°.
0.53Chevy Chase Lake, Monday, 24 August
Heavy rain. High 102°, low 75°.
0.07Chevy Chase Lake, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Chevy Chase Lake, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Chevy Chase Lake, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Chevy Chase Lake, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Chevy Chase Lake, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Chevy Chase Lake, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Chevy Chase Lake, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Chevy Chase Lake, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Chevy Chase Lake, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Chevy Chase Lake, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Chevy Chase Lake, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Chevy Chase Lake, Saturday, 5 September
Climate normal for this date — 60-year average.
0.24Chevy Chase Lake, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Chevy Chase Lake, 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 Chevy Chase Lake, 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 Chevy Chase Lake, 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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