Weather in Radnor Heights, VA
Radnor Heights, Sunday, 9 August, 06:15
Overcast. Feels like 75°. High 91°, low 73°.
Monthly outlook for Radnor Heights, VA: average high 91.1°, average low 71.2°. That is 3.8° above the climate normal for August. Precipitation is expected on 6 days (about 1.0 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 24 August (102.7°), the coolest 16 August (63.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 87° | 85° | +1.1° |
| 19 August – 28 August | 97.9° | 83.6° | +7.9° |
| 29 August – 7 September | at normal | 82.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Arlington (2 mi).
0
Radnor Heights, Monday, 10 August
Partly cloudy. High 94°, low 73°.
0.05
Radnor Heights, Tuesday, 11 August
Light rain. High 94°, low 72°.
0.15Radnor Heights, Wednesday, 12 August
Rain. High 91°, low 72°.
0.02Radnor Heights, Thursday, 13 August
Light rain. High 88°, low 73°.
0Radnor Heights, Friday, 14 August
Overcast. High 82°, low 67°.
0Radnor Heights, Saturday, 15 August
Overcast. High 82°, low 64°.
0Radnor Heights, Sunday, 16 August
Overcast. High 79°, low 63°.
0.06Radnor Heights, Monday, 17 August
Light rain. High 81°, low 69°.
0
Radnor Heights, Tuesday, 18 August
Mostly clear. High 87°, low 67°.
0
Radnor Heights, Wednesday, 19 August
Clear. High 90°, low 70°.
0Radnor Heights, Thursday, 20 August
Partly cloudy. High 93°, low 71°.
0.14Radnor Heights, Friday, 21 August
Light rain. High 102°, low 74°.
0.01Radnor Heights, Saturday, 22 August
Light rain. High 99°, low 78°.
0.04Radnor Heights, Sunday, 23 August
Light rain. High 101°, low 78°.
0.55Radnor Heights, Monday, 24 August
Heavy rain. High 103°, low 74°.
0.08Radnor Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.05Radnor Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13
Radnor Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
0.16Radnor Heights, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Radnor Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Radnor Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Radnor Heights, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Radnor Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Radnor Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Radnor Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Radnor Heights, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Radnor Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Radnor Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Radnor Heights, 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 Radnor Heights, VA 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 Radnor Heights, VA 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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