Weather in Riverdale, MD
Riverdale, Monday, 26 October, 01:48
Clear. Feels like 46°. High 71°, low 42°.
Monthly outlook for Riverdale, MD: average high 59.4°, average low 46.7°. That is 0° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 30 October (75.6°), the coolest 10 November (37.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 64.2° | 60.5° | +2.1° |
| 5 November – 14 November | 51.4° | 56.1° | -2.6° |
| 15 November – 24 November | at normal | 52.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Green Haven (3 mi).
0
Riverdale, Tuesday, 27 October
Clear. High 68°, low 48°.
0
Riverdale, Wednesday, 28 October
Mostly clear. High 63°, low 50°.
0
Riverdale, Thursday, 29 October
Partly cloudy. High 68°, low 51°.
0Riverdale, Friday, 30 October
Clear. High 76°, low 53°.
0
Riverdale, Saturday, 31 October
Overcast. High 62°, low 55°.
0Riverdale, Sunday, 1 November
Overcast. High 61°, low 51°.
0.59
Riverdale, Monday, 2 November
Rain. High 64°, low 57°.
0.04Riverdale, Tuesday, 3 November
Light rain. High 60°, low 51°.
0.01Riverdale, Wednesday, 4 November
Light rain. High 50°, low 48°.
0.01Riverdale, Thursday, 5 November
Light rain. High 49°, low 43°.
0Riverdale, Friday, 6 November
Clear. High 50°, low 40°.
0Riverdale, Saturday, 7 November
Clear. High 54°, low 39°.
0.13Riverdale, Sunday, 8 November
Light rain. High 49°, low 40°.
0.01Riverdale, Monday, 9 November
Light rain. High 52°, low 42°.
0Riverdale, Tuesday, 10 November
Partly cloudy. High 55°, low 37°.
0.19Riverdale, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.23
Riverdale, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Riverdale, Friday, 13 November
Climate normal for this date — 60-year average.
0.08Riverdale, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Riverdale, Sunday, 15 November
Climate normal for this date — 60-year average.
0.14Riverdale, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Riverdale, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Riverdale, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Riverdale, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Riverdale, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Riverdale, Saturday, 21 November
Climate normal for this date — 60-year average.
0.13Riverdale, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Riverdale, Monday, 23 November
Climate normal for this date — 60-year average.
0.13Riverdale, Tuesday, 24 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 Riverdale, 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 Riverdale, 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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