Weather in Mount Rainier, MD
Mount Rainier, Sunday, 11 October, 20:10
Overcast. Feels like 66°. High 67°, low 61°.
Monthly outlook for Mount Rainier, MD: average high 68.8°, average low 53.4°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 2.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (83.6°), the coolest 18 October (35.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 68.3° | 67° | +0.7° |
| 21 October – 30 October | 69.6° | 63.5° | +3.4° |
| 31 October – 9 November | at normal | 60.7° | — |
October records over 66 years
0.74
Mount Rainier, Monday, 12 October
Heavy rain. High 72°, low 59°.
0
Mount Rainier, Tuesday, 13 October
Clear. High 80°, low 56°.
0.01Mount Rainier, Wednesday, 14 October
Light rain. High 84°, low 66°.
0Mount Rainier, Thursday, 15 October
Overcast. High 68°, low 60°.
0.22Mount Rainier, Friday, 16 October
Rain. High 75°, low 57°.
0Mount Rainier, Saturday, 17 October
Clear. High 53°, low 39°.
0Mount Rainier, Sunday, 18 October
Clear. High 53°, low 35°.
0Mount Rainier, Monday, 19 October
Clear. High 63°, low 40°.
0
Mount Rainier, Tuesday, 20 October
Mostly clear. High 69°, low 47°.
0.01Mount Rainier, Wednesday, 21 October
Light rain. High 67°, low 51°.
0Mount Rainier, Thursday, 22 October
Overcast. High 66°, low 56°.
0
Mount Rainier, Friday, 23 October
Partly cloudy. High 66°, low 53°.
0Mount Rainier, Saturday, 24 October
Partly cloudy. High 76°, low 61°.
0Mount Rainier, Sunday, 25 October
Overcast. High 78°, low 60°.
0Mount Rainier, Monday, 26 October
Clear. High 65°, low 51°.
0.15Mount Rainier, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.1Mount Rainier, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.23Mount Rainier, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Mount Rainier, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Mount Rainier, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Mount Rainier, Sunday, 1 November
Climate normal for this date — 60-year average.
0.12Mount Rainier, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Mount Rainier, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.11Mount Rainier, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Mount Rainier, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Mount Rainier, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Mount Rainier, Saturday, 7 November
Climate normal for this date — 60-year average.
0.16Mount Rainier, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Mount Rainier, Monday, 9 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 Mount Rainier, 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 Mount Rainier, 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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