Weather in San Mar, MD
San Mar, Wednesday, 4 November, 09:16
Clear. Feels like 61°. High 73°, low 50°.
Monthly outlook for San Mar, MD: average high 60.1°, average low 42.1°. That is 3.3° above the climate normal for November. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 5 November (74°), the coolest 12 November (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 60.3° | 55.3° | +2.7° |
| 14 November – 23 November | 59.7° | 51.1° | +4.8° |
| 24 November – 3 December | at normal | 48.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Hagerstown (7 mi).
0.52
San Mar, Thursday, 5 November
Rain. High 74°, low 55°.
0
San Mar, Friday, 6 November
Overcast. High 67°, low 52°.
0
San Mar, Saturday, 7 November
Mostly clear. High 57°, low 46°.
0
San Mar, Sunday, 8 November
Partly cloudy. High 57°, low 47°.
0San Mar, Monday, 9 November
Mostly clear. High 55°, low 44°.
0San Mar, Tuesday, 10 November
Overcast. High 61°, low 41°.
0San Mar, Wednesday, 11 November
Clear. High 57°, low 38°.
0San Mar, Thursday, 12 November
Mostly clear. High 48°, low 30°.
0San Mar, Friday, 13 November
Overcast. High 54°, low 35°.
0San Mar, Saturday, 14 November
Overcast. High 59°, low 37°.
0San Mar, Sunday, 15 November
Clear. High 61°, low 38°.
0San Mar, Monday, 16 November
Overcast. High 58°, low 42°.
0San Mar, Tuesday, 17 November
Clear. High 57°, low 38°.
0San Mar, Wednesday, 18 November
Clear. High 61°, low 41°.
0.19San Mar, Thursday, 19 November
Rain. High 62°, low 40°.
0.07San Mar, Friday, 20 November
Climate normal for this date — 60-year average.
0.11San Mar, Saturday, 21 November
Climate normal for this date — 60-year average.
0.11San Mar, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06San Mar, Monday, 23 November
Climate normal for this date — 60-year average.
0.13
San Mar, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09San Mar, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17San Mar, Thursday, 26 November
Climate normal for this date — 60-year average.
0.11San Mar, Friday, 27 November
Climate normal for this date — 60-year average.
0.21San Mar, Saturday, 28 November
Climate normal for this date — 60-year average.
0.13San Mar, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11San Mar, Monday, 30 November
Climate normal for this date — 60-year average.
0.16San Mar, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11San Mar, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12San Mar, Thursday, 3 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 San Mar, 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 San Mar, 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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