Weather in Security, MD
Security, Wednesday, 7 October, 14:24
Clear. Feels like 70°. High 71°, low 41°.
Monthly outlook for Security, MD: average high 67.5°, average low 47.5°. That is 1.4° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (85.4°), the coolest 22 October (35°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 7 October – 16 October | 70.7° | 66.5° | +2.3° |
| 17 October – 26 October | 62.1° | 62° | +0.1° |
| 27 October – 5 November | at normal | 59.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (2 mi).
0Security, Thursday, 8 October
Clear. High 75°, low 48°.
0Security, Friday, 9 October
Clear. High 71°, low 46°.
0
Security, Saturday, 10 October
Overcast. High 71°, low 51°.
0.4
Security, Sunday, 11 October
Rain. High 68°, low 59°.
0.56Security, Monday, 12 October
Heavy rain. High 75°, low 64°.
0.03Security, Tuesday, 13 October
Light rain. High 85°, low 60°.
0.02Security, Wednesday, 14 October
Light rain. High 57°, low 45°.
0Security, Thursday, 15 October
Clear. High 63°, low 40°.
0Security, Friday, 16 October
Clear. High 70°, low 45°.
0
Security, Saturday, 17 October
Mostly clear. High 69°, low 53°.
0
Security, Sunday, 18 October
Partly cloudy. High 75°, low 51°.
0Security, Monday, 19 October
Clear. High 58°, low 43°.
0Security, Tuesday, 20 October
Overcast. High 63°, low 40°.
0.02Security, Wednesday, 21 October
Light rain. High 52°, low 37°.
0Security, Thursday, 22 October
Clear. High 55°, low 35°.
0.11Security, Friday, 23 October
Climate normal for this date — 60-year average.
0.09Security, Saturday, 24 October
Climate normal for this date — 60-year average.
0.16Security, Sunday, 25 October
Climate normal for this date — 60-year average.
0.11Security, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Security, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08Security, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.21Security, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Security, Friday, 30 October
Climate normal for this date — 60-year average.
0.07Security, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Security, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14
Security, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Security, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Security, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Security, Thursday, 5 November
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 Security, 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 Security, 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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