Weather in Gaithersburg, MD
Gaithersburg, Saturday, 10 October, 04:36
Overcast. Feels like 50°. High 70°, low 51°.
Monthly outlook for Gaithersburg, MD: average high 64.9°, average low 49.5°. That is 0.1° above the climate normal for October. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (79.6°), the coolest 20 October (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 68.3° | 65.8° | +1.4° |
| 20 October – 29 October | 59.3° | 62.1° | -1.6° |
| 30 October – 8 November | at normal | 59.2° | — |
October records over 66 years
1.41
Gaithersburg, Sunday, 11 October
Heavy rain. High 66°, low 54°.
0.1Gaithersburg, Monday, 12 October
Light rain. High 73°, low 60°.
0
Gaithersburg, Tuesday, 13 October
Clear. High 79°, low 56°.
0.01Gaithersburg, Wednesday, 14 October
Light rain. High 80°, low 65°.
0Gaithersburg, Thursday, 15 October
Light rain. High 65°, low 56°.
0.54Gaithersburg, Friday, 16 October
Rain. High 77°, low 53°.
0.67Gaithersburg, Saturday, 17 October
Rain. High 67°, low 55°.
0.36Gaithersburg, Sunday, 18 October
Rain. High 57°, low 46°.
0Gaithersburg, Monday, 19 October
Clear. High 51°, low 39°.
0Gaithersburg, Tuesday, 20 October
Clear. High 54°, low 35°.
0Gaithersburg, Wednesday, 21 October
Clear. High 60°, low 39°.
0Gaithersburg, Thursday, 22 October
Clear. High 61°, low 42°.
0
Gaithersburg, Friday, 23 October
Mostly clear. High 62°, low 46°.
0Gaithersburg, Saturday, 24 October
Overcast. High 61°, low 49°.
0.01Gaithersburg, Sunday, 25 October
Light rain. High 58°, low 47°.
0.13
Gaithersburg, 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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