Weather in Riverdale, MD
Riverdale, Saturday, 24 October, 18:51
Mostly clear. Feels like 52°. High 63°, low 38°.
Monthly outlook for Riverdale, MD: average high 63°, average low 49.3°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 4 days and 2.1 inches. The warmest day looks like 30 October (72.8°), the coolest 24 October (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 65.6° | 61° | +2.5° |
| 3 November – 12 November | 58.6° | 57.3° | +0.7° |
| 13 November – 22 November | at normal | 52.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Green Haven (3 mi).
0
Riverdale, Sunday, 25 October
Clear. High 65°, low 39°.
0Riverdale, Monday, 26 October
Clear. High 68°, low 41°.
0Riverdale, Tuesday, 27 October
Clear. High 65°, low 52°.
0
Riverdale, Wednesday, 28 October
Overcast. High 61°, low 50°.
0Riverdale, Thursday, 29 October
Overcast. High 68°, low 49°.
0Riverdale, Friday, 30 October
Clear. High 73°, low 53°.
0
Riverdale, Saturday, 31 October
Partly cloudy. High 65°, low 55°.
0.09
Riverdale, Sunday, 1 November
Light rain. High 63°, low 55°.
0.57Riverdale, Monday, 2 November
Rain. High 64°, low 60°.
0.02Riverdale, Tuesday, 3 November
Light rain. High 59°, low 49°.
0.3Riverdale, Wednesday, 4 November
Rain. High 56°, low 52°.
0.02Riverdale, Thursday, 5 November
Light rain. High 59°, low 47°.
0Riverdale, Friday, 6 November
Overcast. High 62°, low 50°.
0.02Riverdale, Saturday, 7 November
Light rain. High 56°, low 52°.
0Riverdale, Sunday, 8 November
Overcast. High 59°, low 46°.
0.09Riverdale, Monday, 9 November
Climate normal for this date — 60-year average.
0.17
Riverdale, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.19Riverdale, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.23Riverdale, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Riverdale, Friday, 13 November
Climate normal for this date — 60-year average.
0.08
Riverdale, 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.
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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