Weather in Gaithersburg, MD
Gaithersburg, Saturday, 10 October, 18:27
Overcast. Feels like 64°. High 69°, low 49°.
Monthly outlook for Gaithersburg, MD: average high 64.3°, average low 47.2°. That is 0.3° below the climate normal for October. Precipitation is expected on 5 days (about 1.5 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (81°), the coolest 20 October (33.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 67.9° | 65.8° | +1.1° |
| 20 October – 29 October | 58.3° | 62.1° | -2.2° |
| 30 October – 8 November | at normal | 59.2° | — |
October records over 66 years
0.95
Gaithersburg, Sunday, 11 October
Heavy rain. High 67°, low 53°.
0.12Gaithersburg, Monday, 12 October
Rain. High 74°, low 56°.
0
Gaithersburg, Tuesday, 13 October
Clear. High 80°, low 56°.
0.15Gaithersburg, Wednesday, 14 October
Light rain. High 81°, low 66°.
0Gaithersburg, Thursday, 15 October
Overcast. High 66°, low 57°.
0.05Gaithersburg, Friday, 16 October
Light rain. High 75°, low 54°.
0.21Gaithersburg, Saturday, 17 October
Light rain. High 64°, low 46°.
0
Gaithersburg, Sunday, 18 October
Partly cloudy. High 54°, low 38°.
0Gaithersburg, Monday, 19 October
Clear. High 50°, low 34°.
0Gaithersburg, Tuesday, 20 October
Overcast. High 52°, low 34°.
0Gaithersburg, Wednesday, 21 October
Clear. High 57°, low 36°.
0Gaithersburg, Thursday, 22 October
Clear. High 60°, low 41°.
0Gaithersburg, Friday, 23 October
Clear. High 61°, low 45°.
0Gaithersburg, Saturday, 24 October
Overcast. High 60°, low 46°.
0Gaithersburg, Sunday, 25 October
Overcast. High 60°, low 46°.
0.13Gaithersburg, Monday, 26 October
Climate normal for this date — 60-year average.
0.17Gaithersburg, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.09Gaithersburg, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.2Gaithersburg, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Gaithersburg, Friday, 30 October
Climate normal for this date — 60-year average.
0.06Gaithersburg, Saturday, 31 October
Climate normal for this date — 60-year average.
0.07Gaithersburg, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Gaithersburg, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Gaithersburg, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.1Gaithersburg, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Gaithersburg, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Gaithersburg, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Gaithersburg, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Gaithersburg, Sunday, 8 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 Gaithersburg, 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 Gaithersburg, 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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