Weather in Deerfield, MD
Deerfield, Friday, 9 October, 06:49
Overcast. Feels like 50°. High 76°, low 50°.
Monthly outlook for Deerfield, MD: average high 68.7°, average low 51.8°. That is 1.7° above the climate normal for October. Precipitation is expected on 5 days (about 2.3 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 13 October (81.1°), the coolest 20 October (45.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 72° | 66.8° | +2.8° |
| 19 October – 28 October | 63.4° | 63° | +0.2° |
| 29 October – 7 November | at normal | 60° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — North Bethesda (3 mi).
0.04
Deerfield, Saturday, 10 October
Light rain. High 74°, low 53°.
1.31Deerfield, Sunday, 11 October
Rain. High 67°, low 59°.
0.07Deerfield, Monday, 12 October
Light rain. High 75°, low 62°.
0
Deerfield, Tuesday, 13 October
Partly cloudy. High 81°, low 59°.
0.01Deerfield, Wednesday, 14 October
Light rain. High 78°, low 60°.
0Deerfield, Thursday, 15 October
Overcast. High 66°, low 49°.
0.01Deerfield, Friday, 16 October
Light rain. High 78°, low 58°.
0.38Deerfield, Saturday, 17 October
Rain. High 66°, low 49°.
0.53Deerfield, Sunday, 18 October
Rain. High 60°, low 48°.
0Deerfield, Monday, 19 October
Overcast. High 61°, low 45°.
0Deerfield, Tuesday, 20 October
Overcast. High 61°, low 45°.
0
Deerfield, Wednesday, 21 October
Clear. High 62°, low 46°.
0Deerfield, Thursday, 22 October
Overcast. High 63°, low 49°.
0Deerfield, Friday, 23 October
Clear. High 67°, low 48°.
0Deerfield, Saturday, 24 October
Overcast. High 65°, low 49°.
0.17Deerfield, Sunday, 25 October
Climate normal for this date — 60-year average.
0.14Deerfield, Monday, 26 October
Climate normal for this date — 60-year average.
0.15Deerfield, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.1Deerfield, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.22Deerfield, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Deerfield, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Deerfield, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Deerfield, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Deerfield, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Deerfield, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Deerfield, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Deerfield, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Deerfield, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Deerfield, Saturday, 7 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 Deerfield, 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 Deerfield, 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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