Weather in Catoctin Furnace, MD
Catoctin Furnace, Sunday, 9 August, 18:03
Clear. Feels like 99°. High 91°, low 72°.
Monthly outlook for Catoctin Furnace, MD: average high 89.1°, average low 68°. That is 2.9° above the climate normal for August. Precipitation is expected on 7 days (about 1.2 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 16 August (104.2°), the coolest 15 August (61.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 88.6° | 84.6° | +2.2° |
| 19 August – 28 August | 89.9° | 83.3° | +3.7° |
| 29 August – 7 September | at normal | 82.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Frederick (10 mi).
0
Catoctin Furnace, Monday, 10 August
Partly cloudy. High 88°, low 72°.
0.24
Catoctin Furnace, Tuesday, 11 August
Rain. High 92°, low 69°.
0.06Catoctin Furnace, Wednesday, 12 August
Light rain. High 87°, low 70°.
0Catoctin Furnace, Thursday, 13 August
Clear. High 88°, low 67°.
0.01Catoctin Furnace, Friday, 14 August
Light rain. High 77°, low 64°.
0
Catoctin Furnace, Saturday, 15 August
Overcast. High 82°, low 62°.
0.08Catoctin Furnace, Sunday, 16 August
Light rain. High 104°, low 69°.
0
Catoctin Furnace, Monday, 17 August
Mostly clear. High 86°, low 68°.
0.04Catoctin Furnace, Tuesday, 18 August
Light rain. High 92°, low 64°.
0.17Catoctin Furnace, Wednesday, 19 August
Light rain. High 95°, low 71°.
0.02Catoctin Furnace, Thursday, 20 August
Light rain. High 93°, low 66°.
0.15Catoctin Furnace, Friday, 21 August
Light rain. High 91°, low 69°.
0.26Catoctin Furnace, Saturday, 22 August
Rain. High 83°, low 70°.
0.18Catoctin Furnace, Sunday, 23 August
Light rain. High 83°, low 68°.
0Catoctin Furnace, Monday, 24 August
Clear. High 93°, low 70°.
0.05Catoctin Furnace, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Catoctin Furnace, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Catoctin Furnace, Thursday, 27 August
Climate normal for this date — 60-year average.
0.13
Catoctin Furnace, Friday, 28 August
Climate normal for this date — 60-year average.
0.08Catoctin Furnace, Saturday, 29 August
Climate normal for this date — 60-year average.
0.05Catoctin Furnace, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Catoctin Furnace, Monday, 31 August
Climate normal for this date — 60-year average.
0.11Catoctin Furnace, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Catoctin Furnace, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.08Catoctin Furnace, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Catoctin Furnace, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Catoctin Furnace, Saturday, 5 September
Climate normal for this date — 60-year average.
0.25Catoctin Furnace, Sunday, 6 September
Climate normal for this date — 60-year average.
0.09Catoctin Furnace, Monday, 7 September
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 Catoctin Furnace, 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 Catoctin Furnace, 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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