Weather in Merrimack Park, MD
Merrimack Park, Sunday, 9 August, 15:06
Clear. Feels like 99°. High 92°, low 72°.
Monthly outlook for Merrimack Park, MD: average high 90.1°, average low 71.4°. That is 3.3° above the climate normal for August. Precipitation is expected on 8 days (about 1.2 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 16 August (104.1°), the coolest 15 August (66.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.5° | 84.8° | +2.6° |
| 19 August – 28 August | 91.1° | 83.5° | +4.2° |
| 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).
0.02
Merrimack Park, Monday, 10 August
Light rain. High 94°, low 74°.
0.13Merrimack Park, Tuesday, 11 August
Rain. High 93°, low 70°.
0.04Merrimack Park, Wednesday, 12 August
Light rain. High 89°, low 74°.
0Merrimack Park, Thursday, 13 August
Clear. High 91°, low 72°.
0.04Merrimack Park, Friday, 14 August
Light rain. High 73°, low 69°.
0
Merrimack Park, Saturday, 15 August
Overcast. High 80°, low 66°.
0.16Merrimack Park, Sunday, 16 August
Light rain. High 104°, low 71°.
0
Merrimack Park, Monday, 17 August
Partly cloudy. High 87°, low 71°.
0.01Merrimack Park, Tuesday, 18 August
Light rain. High 91°, low 71°.
0.1Merrimack Park, Wednesday, 19 August
Light rain. High 97°, low 72°.
0
Merrimack Park, Thursday, 20 August
Mostly clear. High 93°, low 72°.
0.13Merrimack Park, Friday, 21 August
Light rain. High 91°, low 72°.
0.22Merrimack Park, Saturday, 22 August
Light rain. High 87°, low 73°.
0.28Merrimack Park, Sunday, 23 August
Light rain. High 85°, low 72°.
0.04Merrimack Park, Monday, 24 August
Light rain. High 94°, low 72°.
0.07Merrimack Park, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Merrimack Park, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Merrimack Park, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Merrimack Park, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Merrimack Park, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Merrimack Park, Sunday, 30 August
Climate normal for this date — 60-year average.
0.06Merrimack Park, Monday, 31 August
Climate normal for this date — 60-year average.
0.13Merrimack Park, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Merrimack Park, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Merrimack Park, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Merrimack Park, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Merrimack Park, Saturday, 5 September
Climate normal for this date — 60-year average.
0.24Merrimack Park, Sunday, 6 September
Climate normal for this date — 60-year average.
0.06Merrimack Park, 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 Merrimack Park, 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 Merrimack Park, 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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