Monthly outlook for Cynwyd Estates, PA: average high 82.9°, average low 68.3°. That is 0.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 6 days and 2.1 inches. The warmest day looks like 11 August (91.5°), the coolest 22 August (61.1°).
82.9°/68.3°
Average high / low
+0.2°
Above normal
6 / 6
Wet days / normal
1.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
85.4°
83.2°
+1.2°
18 August – 27 August
78.7°
81.7°
-1.6°
28 August – 6 September
at normal
80.6°
—
August records over 66 years
99.3°9 August 2001All-time high
47.3°30 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Ardmore (3 mi).
Sun, 0989° / 73°0.01
89 °
Cynwyd Estates, Sunday, 9 August
Light rain. High 89°, low 73°.
Pressure30.00 inHg
Wind7.7 mph NW
Humidity43%
Visibility6.2 mi
Dew point65°
Mon, 1091° / 73°0.02
91 °
Cynwyd Estates, Monday, 10 August
Light rain. High 91°, low 73°.
Pressure30.00 inHg
Wind6.6 mph W
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 1192° / 73°0.06
92 °
Cynwyd Estates, Tuesday, 11 August
Light rain. High 92°, low 73°.
Pressure29.88 inHg
Wind4.3 mph NW
Humidity50%
Visibility6.2 mi
Dew point68°
Wed, 1285° / 75°0
85 °
Cynwyd Estates, Wednesday, 12 August
Light rain. High 85°, low 75°.
Pressure29.74 inHg
Wind10.4 mph W
Humidity57%
Visibility6.2 mi
Dew point67°
Thu, 1386° / 72°0
86 °
Cynwyd Estates, Thursday, 13 August
Mostly clear. High 86°, low 72°.
Pressure29.80 inHg
Wind13.1 mph W
Humidity35%
Visibility—
Dew point54°
Fri, 1480° / 65°0
80 °
Cynwyd Estates, Friday, 14 August
Clear. High 80°, low 65°.
Pressure30.03 inHg
Wind9 mph W
Humidity29%
Visibility—
Dew point42°
Sat, 1582° / 66°0
82 °
Cynwyd Estates, Saturday, 15 August
Clear. High 82°, low 66°.
Pressure30.12 inHg
Wind10.5 mph NW
Humidity30%
Visibility—
Dew point45°
Sun, 1682° / 65°0
82 °
Cynwyd Estates, Sunday, 16 August
Overcast. High 82°, low 65°.
Pressure30.18 inHg
Wind5.7 mph NW
Humidity28%
Visibility—
Dew point44°
Mon, 1780° / 67°0.1
80 °
Cynwyd Estates, Monday, 17 August
Light rain. High 80°, low 67°.
Pressure30.09 inHg
Wind9.6 mph S
Humidity49%
Visibility—
Dew point58°
Tue, 1869° / 66°0.21
69 °
Cynwyd Estates, Tuesday, 18 August
Light rain. High 69°, low 66°.
Pressure30.09 inHg
Wind7 mph SE
Humidity89%
Visibility—
Dew point64°
Wed, 1979° / 67°0.05
79 °
Cynwyd Estates, Wednesday, 19 August
Light rain. High 79°, low 67°.
Pressure29.91 inHg
Wind10.8 mph S
Humidity60%
Visibility—
Dew point62°
Thu, 2080° / 69°1
80 °
Cynwyd Estates, Thursday, 20 August
Heavy rain. High 80°, low 69°.
Pressure29.68 inHg
Wind14.5 mph W
Humidity42%
Visibility—
Dew point53°
Fri, 2180° / 63°0
80 °
Cynwyd Estates, Friday, 21 August
Clear. High 80°, low 63°.
Pressure29.85 inHg
Wind11.4 mph NW
Humidity33%
Visibility—
Dew point45°
Sat, 2280° / 61°0
80 °
Cynwyd Estates, Saturday, 22 August
Clear. High 80°, low 61°.
Pressure30.06 inHg
Wind6.3 mph W
Humidity29%
Visibility—
Dew point42°
Sun, 2385° / 67°0
85 °
Cynwyd Estates, Sunday, 23 August
Overcast. High 85°, low 67°.
Pressure29.97 inHg
Wind11.7 mph SW
Humidity60%
Visibility—
Dew point64°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2482° / 64°0.06
82 °
Cynwyd Estates, Monday, 24 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.06 in
Chance of precipitation18%
Record high92° (1968)
Record low53° (1971)
Tue, 2582° / 65°0.06
82 °
Cynwyd Estates, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.06 in
Chance of precipitation15%
Record high96° (1968)
Record low54° (1987)
Wed, 2683° / 65°0.06
83 °
Cynwyd Estates, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high83°
Average low65°
Average precipitation0.06 in
Chance of precipitation25%
Record high92° (1993)
Record low55° (1977)
Thu, 2783° / 67°0.18
83 °
Cynwyd Estates, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low67°
Average precipitation0.18 in
Chance of precipitation33%
Record high92° (2020)
Record low55° (1963)
Fri, 2882° / 67°0.24
82 °
Cynwyd Estates, Friday, 28 August
Climate normal for this date — 60-year average.
Average high82°
Average low67°
Average precipitation0.24 in
Chance of precipitation47%
Record high97° (2024)
Record low56° (1968)
Sat, 2982° / 66°0.12
82 °
Cynwyd Estates, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high82°
Average low66°
Average precipitation0.12 in
Chance of precipitation30%
Record high94° (2010)
Record low49° (1982)
Sun, 3082° / 65°0.06
82 °
Cynwyd Estates, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.06 in
Chance of precipitation28%
Record high94° (1973)
Record low47° (1986)
Mon, 3181° / 65°0.07
81 °
Cynwyd Estates, Monday, 31 August
Climate normal for this date — 60-year average.
Average high81°
Average low65°
Average precipitation0.07 in
Chance of precipitation22%
Record high95° (2010)
Record low51° (1976)
Tue, 0180° / 64°0.13
80 °
Cynwyd Estates, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.13 in
Chance of precipitation30%
Record high94° (2010)
Record low55° (1967)
Wed, 0280° / 64°0.11
80 °
Cynwyd Estates, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.11 in
Chance of precipitation35%
Record high94° (1980)
Record low53° (1970)
Thu, 0380° / 64°0.15
80 °
Cynwyd Estates, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.15 in
Chance of precipitation32%
Record high93° (2023)
Record low49° (1967)
Fri, 0480° / 64°0.09
80 °
Cynwyd Estates, Friday, 4 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.09 in
Chance of precipitation25%
Record high97° (2023)
Record low53° (1997)
Sat, 0580° / 64°0.08
80 °
Cynwyd Estates, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.08 in
Chance of precipitation25%
Record high97° (2023)
Record low53° (1997)
Sun, 0679° / 63°0.21
79 °
Cynwyd Estates, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high79°
Average low63°
Average precipitation0.21 in
Chance of precipitation33%
Record high96° (2023)
Record low51° (1984)
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 Cynwyd Estates, PA 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 Cynwyd Estates, PA 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.