Weather in Green Valley, MD
Green Valley, Wednesday, 11 November, 10:00
Overcast. Feels like 57°. High 65°, low 40°.
Monthly outlook for Green Valley, MD: average high 51.4°, average low 38.1°. That is 0.3° below the climate normal for November. Precipitation is expected on 3 days (about 1.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 11 November (65°), the coolest 24 November (30.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 51.8° | 52.8° | -0.5° |
| 21 November – 30 November | 50.8° | 50° | +0.4° |
| 1 December – 10 December | at normal | 45.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Frederick (11 mi).
0
Green Valley, Thursday, 12 November
Light rain. High 62°, low 40°.
0Green Valley, Friday, 13 November
Overcast. High 47°, low 39°.
0Green Valley, Saturday, 14 November
Overcast. High 47°, low 36°.
0Green Valley, Sunday, 15 November
Overcast. High 50°, low 38°.
0Green Valley, Monday, 16 November
Overcast. High 50°, low 37°.
0.63Green Valley, Tuesday, 17 November
Rain. High 45°, low 36°.
1.08Green Valley, Wednesday, 18 November
Rain. High 47°, low 40°.
0.01Green Valley, Thursday, 19 November
Light rain. High 48°, low 44°.
0.06Green Valley, Friday, 20 November
Light rain. High 58°, low 45°.
0Green Valley, Saturday, 21 November
Overcast. High 59°, low 45°.
0Green Valley, Sunday, 22 November
Light rain. High 56°, low 37°.
0Green Valley, Monday, 23 November
Overcast. High 46°, low 34°.
0Green Valley, Tuesday, 24 November
Overcast. High 43°, low 31°.
0
Green Valley, Wednesday, 25 November
Clear. High 51°, low 31°.
0Green Valley, Thursday, 26 November
Overcast. High 50°, low 36°.
0.11
Green Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.21Green Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.14
Green Valley, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Green Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.15Green Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.11Green Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Green Valley, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09Green Valley, Friday, 4 December
Climate normal for this date — 60-year average.
0.13Green Valley, Saturday, 5 December
Climate normal for this date — 60-year average.
0.1Green Valley, Sunday, 6 December
Climate normal for this date — 60-year average.
0.09
Green Valley, Monday, 7 December
Climate normal for this date — 60-year average.
0.07Green Valley, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.18Green Valley, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.15Green Valley, Thursday, 10 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 Green Valley, 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 Green Valley, 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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