Weather in Defense Heights, MD
Defense Heights, Sunday, 15 November, 01:14
Clear. Feels like 39°. High 52°, low 43°.
Monthly outlook for Defense Heights, MD: average high 54.9°, average low 39.7°. That is 1.1° above the climate normal for November. Precipitation is expected on 2 days (about 1.3 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 20 November (64.7°), the coolest 25 November (27.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 56.5° | 53.3° | +1.8° |
| 25 November – 4 December | 52.1° | 51° | +0.6° |
| 5 December – 14 December | at normal | 46.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — East Riverdale (1 mi).
0
Defense Heights, Monday, 16 November
Partly cloudy. High 54°, low 41°.
0
Defense Heights, Tuesday, 17 November
Clear. High 55°, low 37°.
0Defense Heights, Wednesday, 18 November
Clear. High 60°, low 38°.
0
Defense Heights, Thursday, 19 November
Overcast. High 63°, low 39°.
0Defense Heights, Friday, 20 November
Clear. High 65°, low 44°.
0Defense Heights, Saturday, 21 November
Clear. High 62°, low 46°.
0Defense Heights, Sunday, 22 November
Clear. High 62°, low 46°.
0
Defense Heights, Monday, 23 November
Mostly clear. High 53°, low 35°.
0Defense Heights, Tuesday, 24 November
Clear. High 39°, low 28°.
0Defense Heights, Wednesday, 25 November
Clear. High 43°, low 27°.
0Defense Heights, Thursday, 26 November
Overcast. High 46°, low 32°.
0.07
Defense Heights, Friday, 27 November
Light rain. High 61°, low 41°.
1.25Defense Heights, Saturday, 28 November
Heavy rain. High 64°, low 51°.
0Defense Heights, Sunday, 29 November
Mostly clear. High 52°, low 46°.
0Defense Heights, Monday, 30 November
Partly cloudy. High 48°, low 41°.
0.15
Defense Heights, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Defense Heights, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Defense Heights, Thursday, 3 December
Climate normal for this date — 60-year average.
0.08Defense Heights, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Defense Heights, Saturday, 5 December
Climate normal for this date — 60-year average.
0.1Defense Heights, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Defense Heights, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Defense Heights, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18Defense Heights, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.16Defense Heights, Thursday, 10 December
Climate normal for this date — 60-year average.
0.17Defense Heights, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Defense Heights, Saturday, 12 December
Climate normal for this date — 60-year average.
0.12Defense Heights, Sunday, 13 December
Climate normal for this date — 60-year average.
0.14Defense Heights, Monday, 14 December
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 Defense Heights, 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 Defense Heights, 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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