Weather in Bertha, MD
Bertha, Friday, 9 October, 00:04
Overcast. Feels like 59°. High 77°, low 51°.
Monthly outlook for Bertha, MD: average high 69°, average low 55.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 6 days (about 2.2 inches), against a normal of 4 days and 1.8 inches. The warmest day looks like 17 October (82.2°), the coolest 19 October (47.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 73.3° | 66.7° | +3.7° |
| 19 October – 28 October | 61.9° | 63.3° | -0.8° |
| 29 October – 7 November | at normal | 60.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lexington Park (9 mi).
0Bertha, Saturday, 10 October
Overcast. High 76°, low 53°.
0.77
Bertha, Sunday, 11 October
Heavy rain. High 73°, low 63°.
0.12Bertha, Monday, 12 October
Light rain. High 73°, low 63°.
0
Bertha, Tuesday, 13 October
Clear. High 80°, low 59°.
0Bertha, Wednesday, 14 October
Clear. High 77°, low 62°.
0Bertha, Thursday, 15 October
Clear. High 65°, low 54°.
0Bertha, Friday, 16 October
Clear. High 74°, low 59°.
0.15Bertha, Saturday, 17 October
Rain. High 82°, low 57°.
0Bertha, Sunday, 18 October
Clear. High 57°, low 49°.
0Bertha, Monday, 19 October
Overcast. High 60°, low 47°.
0Bertha, Tuesday, 20 October
Overcast. High 62°, low 49°.
0Bertha, Wednesday, 21 October
Overcast. High 68°, low 54°.
0.11Bertha, Thursday, 22 October
Light rain. High 61°, low 58°.
0.25Bertha, Friday, 23 October
Light rain. High 63°, low 58°.
0.8Bertha, Saturday, 24 October
Rain. High 57°, low 54°.
0.17
Bertha, Sunday, 25 October
Climate normal for this date — 60-year average.
0.17
Bertha, Monday, 26 October
Climate normal for this date — 60-year average.
0.14Bertha, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.14Bertha, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.23Bertha, Thursday, 29 October
Climate normal for this date — 60-year average.
0.12Bertha, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Bertha, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12Bertha, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Bertha, Monday, 2 November
Climate normal for this date — 60-year average.
0.08Bertha, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.13Bertha, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12Bertha, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Bertha, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Bertha, Saturday, 7 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 Bertha, 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 Bertha, 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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