Monthly outlook for Alcova Heights, VA: average high 90.9°, average low 72°. That is 3.7° above the climate normal for August. Precipitation is expected on 8 days (about 1.1 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 16 August (105.1°), the coolest 15 August (66.5°).
90.9°/72°
Average high / low
+3.7°
Above normal
8 / 6
Wet days / normal
1.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
90.6°
85°
+3.1°
19 August – 28 August
91.5°
83.6°
+4.4°
29 August – 7 September
at normal
82.4°
—
August records over 66 years
100.8°20 August 1962All-time high
49.8°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Arlington (1 mi).
Mon, 1096° / 75°0.01
96 °
Alcova Heights, Monday, 10 August
Light rain. High 96°, low 75°.
Pressure29.97 inHg
Wind3.4 mph W
Humidity31%
Visibility6.2 mi
Dew point60°
Tue, 1193° / 72°0.07
93 °
Alcova Heights, Tuesday, 11 August
Light rain. High 93°, low 72°.
Pressure29.94 inHg
Wind9.7 mph NW
Humidity48%
Visibility6.2 mi
Dew point64°
Wed, 1291° / 74°0.01
91 °
Alcova Heights, Wednesday, 12 August
Light rain. High 91°, low 74°.
Pressure29.80 inHg
Wind5.5 mph W
Humidity49%
Visibility6.2 mi
Dew point64°
Thu, 1393° / 73°0
93 °
Alcova Heights, Thursday, 13 August
Mostly clear. High 93°, low 73°.
Pressure29.91 inHg
Wind8.1 mph NW
Humidity37%
Visibility6.2 mi
Dew point58°
Fri, 1476° / 69°0.05
76 °
Alcova Heights, Friday, 14 August
Light rain. High 76°, low 69°.
Pressure30.09 inHg
Wind4.7 mph N
Humidity70%
Visibility—
Dew point62°
Sat, 1583° / 66°0
83 °
Alcova Heights, Saturday, 15 August
Light rain. High 83°, low 66°.
Pressure30.15 inHg
Wind5.2 mph S
Humidity56%
Visibility—
Dew point64°
Sun, 16105° / 71°0.15
105 °
Alcova Heights, Sunday, 16 August
Light rain. High 105°, low 71°.
Pressure29.85 inHg
Wind9.5 mph W
Humidity44%
Visibility—
Dew point67°
Mon, 1787° / 73°0
87 °
Alcova Heights, Monday, 17 August
Partly cloudy. High 87°, low 73°.
Pressure29.97 inHg
Wind11.1 mph NW
Humidity33%
Visibility—
Dew point52°
Tue, 1890° / 72°0.02
90 °
Alcova Heights, Tuesday, 18 August
Light rain. High 90°, low 72°.
Pressure30.03 inHg
Wind10 mph S
Humidity35%
Visibility—
Dew point57°
Wed, 1998° / 71°0.08
98 °
Alcova Heights, Wednesday, 19 August
Light rain. High 98°, low 71°.
Pressure29.91 inHg
Wind10.1 mph NW
Humidity33%
Visibility—
Dew point60°
Thu, 2093° / 75°0
93 °
Alcova Heights, Thursday, 20 August
Clear. High 93°, low 75°.
Pressure29.94 inHg
Wind6.7 mph SE
Humidity30%
Visibility—
Dew point54°
Fri, 2190° / 72°0.17
90 °
Alcova Heights, Friday, 21 August
Light rain. High 90°, low 72°.
Pressure29.80 inHg
Wind7.9 mph SW
Humidity47%
Visibility—
Dew point65°
Sat, 2288° / 74°0.15
88 °
Alcova Heights, Saturday, 22 August
Light rain. High 88°, low 74°.
Pressure29.85 inHg
Wind8.2 mph NE
Humidity51%
Visibility—
Dew point65°
Sun, 2385° / 72°0.31
85 °
Alcova Heights, Sunday, 23 August
Light rain. High 85°, low 72°.
Pressure30.00 inHg
Wind5.5 mph E
Humidity78%
Visibility—
Dew point72°
Mon, 2495° / 72°0.04
95 °
Alcova Heights, Monday, 24 August
Light rain. High 95°, low 72°.
Pressure29.97 inHg
Wind6.1 mph W
Humidity39%
Visibility—
Dew point62°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2584° / 67°0.08
84 °
Alcova Heights, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high84°
Average low67°
Average precipitation0.08 in
Chance of precipitation23%
Record high96° (1968)
Record low57° (1971)
Wed, 2684° / 67°0.05
84 °
Alcova Heights, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high84°
Average low67°
Average precipitation0.05 in
Chance of precipitation22%
Record high95° (1975)
Record low56° (1963)
Thu, 2785° / 68°0.13
85 °
Alcova Heights, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high85°
Average low68°
Average precipitation0.13 in
Chance of precipitation40%
Record high96° (1987)
Record low59° (1969)
Fri, 2885° / 68°0.16
85 °
Alcova Heights, Friday, 28 August
Climate normal for this date — 60-year average.
Average high85°
Average low68°
Average precipitation0.16 in
Chance of precipitation42%
Record high97° (1973)
Record low58° (1986)
Sat, 2984° / 68°0.13
84 °
Alcova Heights, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high84°
Average low68°
Average precipitation0.13 in
Chance of precipitation32%
Record high96° (1973)
Record low50° (1986)
Sun, 3084° / 66°0.06
84 °
Alcova Heights, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high84°
Average low66°
Average precipitation0.06 in
Chance of precipitation25%
Record high95° (1973)
Record low50° (1986)
Mon, 3183° / 67°0.07
83 °
Alcova Heights, Monday, 31 August
Climate normal for this date — 60-year average.
Average high83°
Average low67°
Average precipitation0.07 in
Chance of precipitation25%
Record high96° (1973)
Record low54° (1986)
Tue, 0182° / 65°0.15
82 °
Alcova Heights, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.15 in
Chance of precipitation30%
Record high96° (1973)
Record low56° (1967)
Wed, 0282° / 65°0.11
82 °
Alcova Heights, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.11 in
Chance of precipitation40%
Record high96° (1980)
Record low54° (1967)
Thu, 0383° / 66°0.11
83 °
Alcova Heights, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.11 in
Chance of precipitation30%
Record high97° (2023)
Record low51° (1967)
Fri, 0482° / 66°0.09
82 °
Alcova Heights, Friday, 4 September
Climate normal for this date — 60-year average.
Average high82°
Average low66°
Average precipitation0.09 in
Chance of precipitation33%
Record high97° (2023)
Record low54° (1997)
Sat, 0582° / 65°0.13
82 °
Alcova Heights, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.13 in
Chance of precipitation30%
Record high98° (2023)
Record low52° (1997)
Sun, 0681° / 65°0.23
81 °
Alcova Heights, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high81°
Average low65°
Average precipitation0.23 in
Chance of precipitation30%
Record high98° (2023)
Record low54° (2000)
Mon, 0782° / 64°0.07
82 °
Alcova Heights, Monday, 7 September
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.07 in
Chance of precipitation25%
Record high94° (1998)
Record low51° (1988)
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 Alcova 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 Alcova 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.