Monthly outlook for Knoxlyn, PA: average high 88.1°, average low 65.4°. That is 3.3° above the climate normal for August. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 24 August (100°), the coolest 16 August (54.6°).
88.1°/65.4°
Average high / low
+3.3°
Above normal
5 / 5
Wet days / normal
1.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
83.8°
82.8°
+0.5°
19 August – 28 August
95.3°
81.6°
+7.6°
29 August – 7 September
at normal
80.3°
—
August records over 66 years
98.4°17 August 1988All-time high
48°29 August 1982All-time low
Climate normals and records are computed from the nearest reference point — Rouzerville (13 mi).
Mon, 1088° / 71°0.09
88 °
Knoxlyn, Monday, 10 August
Rain. High 88°, low 71°.
Pressure30.00 inHg
Wind10 mph W
Humidity44%
Visibility6.2 mi
Dew point64°
Tue, 1190° / 68°0.2
90 °
Knoxlyn, Tuesday, 11 August
Rain. High 90°, low 68°.
Pressure29.91 inHg
Wind12.1 mph NW
Humidity53%
Visibility6.2 mi
Dew point65°
Wed, 1289° / 66°0
89 °
Knoxlyn, Wednesday, 12 August
Light rain. High 89°, low 66°.
Pressure29.80 inHg
Wind12 mph W
Humidity59%
Visibility6.2 mi
Dew point65°
Thu, 1383° / 67°0.25
83 °
Knoxlyn, Thursday, 13 August
Rain. High 83°, low 67°.
Pressure29.83 inHg
Wind15.1 mph NW
Humidity33%
Visibility—
Dew point49°
Fri, 1479° / 57°0
79 °
Knoxlyn, Friday, 14 August
Overcast. High 79°, low 57°.
Pressure30.06 inHg
Wind11.2 mph NW
Humidity36%
Visibility—
Dew point46°
Sat, 1577° / 56°0
77 °
Knoxlyn, Saturday, 15 August
Mostly clear. High 77°, low 56°.
Pressure30.18 inHg
Wind12.2 mph NW
Humidity32%
Visibility—
Dew point42°
Sun, 1680° / 55°0
80 °
Knoxlyn, Sunday, 16 August
Overcast. High 80°, low 55°.
Pressure30.15 inHg
Wind8.2 mph W
Humidity27%
Visibility—
Dew point41°
Mon, 1780° / 62°0
80 °
Knoxlyn, Monday, 17 August
Light rain. High 80°, low 62°.
Pressure29.97 inHg
Wind6.7 mph E
Humidity47%
Visibility—
Dew point56°
Tue, 1885° / 62°0
85 °
Knoxlyn, Tuesday, 18 August
Light rain. High 85°, low 62°.
Pressure30.00 inHg
Wind9 mph SE
Humidity39%
Visibility—
Dew point55°
Wed, 1985° / 68°0
85 °
Knoxlyn, Wednesday, 19 August
Partly cloudy. High 85°, low 68°.
Pressure30.06 inHg
Wind7.6 mph SE
Humidity43%
Visibility—
Dew point57°
Thu, 2092° / 64°0
92 °
Knoxlyn, Thursday, 20 August
Partly cloudy. High 92°, low 64°.
Pressure30.00 inHg
Wind10.9 mph S
Humidity35%
Visibility—
Dew point57°
Fri, 21100° / 68°0.52
100 °
Knoxlyn, Friday, 21 August
Rain. High 100°, low 68°.
Pressure29.83 inHg
Wind6.9 mph W
Humidity39%
Visibility—
Dew point64°
Sat, 2295° / 74°0
95 °
Knoxlyn, Saturday, 22 August
Partly cloudy. High 95°, low 74°.
Pressure29.91 inHg
Wind8.5 mph NE
Humidity37%
Visibility—
Dew point62°
Sun, 2399° / 70°0.01
99 °
Knoxlyn, Sunday, 23 August
Light rain. High 99°, low 70°.
Pressure29.91 inHg
Wind6.3 mph SW
Humidity34%
Visibility—
Dew point61°
Mon, 24100° / 70°0.67
100 °
Knoxlyn, Monday, 24 August
Heavy rain. High 100°, low 70°.
Pressure29.94 inHg
Wind12.4 mph SE
Humidity35%
Visibility—
Dew point65°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 64°0.05
82 °
Knoxlyn, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.05 in
Chance of precipitation17%
Record high94° (2007)
Record low54° (1987)
Wed, 2683° / 65°0.05
83 °
Knoxlyn, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high83°
Average low65°
Average precipitation0.05 in
Chance of precipitation23%
Record high92° (1975)
Record low54° (1963)
Thu, 2783° / 66°0.15
83 °
Knoxlyn, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.15 in
Chance of precipitation40%
Record high92° (1993)
Record low55° (1969)
Fri, 2883° / 66°0.13
83 °
Knoxlyn, Friday, 28 August
Climate normal for this date — 60-year average.
Average high83°
Average low66°
Average precipitation0.13 in
Chance of precipitation33%
Record high94° (1993)
Record low53° (1968)
Sat, 2982° / 65°0.07
82 °
Knoxlyn, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.07 in
Chance of precipitation28%
Record high93° (1973)
Record low48° (1982)
Sun, 3082° / 64°0.05
82 °
Knoxlyn, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.05 in
Chance of precipitation28%
Record high92° (1973)
Record low49° (1986)
Mon, 3181° / 65°0.09
81 °
Knoxlyn, Monday, 31 August
Climate normal for this date — 60-year average.
Average high81°
Average low65°
Average precipitation0.09 in
Chance of precipitation28%
Record high94° (1973)
Record low51° (1976)
Tue, 0180° / 63°0.12
80 °
Knoxlyn, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.12 in
Chance of precipitation28%
Record high94° (1973)
Record low51° (1967)
Wed, 0280° / 63°0.09
80 °
Knoxlyn, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.09 in
Chance of precipitation33%
Record high94° (2010)
Record low52° (1967)
Thu, 0381° / 63°0.06
81 °
Knoxlyn, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high81°
Average low63°
Average precipitation0.06 in
Chance of precipitation25%
Record high93° (2010)
Record low48° (1967)
Fri, 0480° / 64°0.1
80 °
Knoxlyn, Friday, 4 September
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.1 in
Chance of precipitation30%
Record high93° (2023)
Record low51° (1997)
Sat, 0580° / 63°0.08
80 °
Knoxlyn, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.08 in
Chance of precipitation23%
Record high93° (2023)
Record low50° (1997)
Sun, 0679° / 62°0.22
79 °
Knoxlyn, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high79°
Average low62°
Average precipitation0.22 in
Chance of precipitation32%
Record high92° (2023)
Record low50° (2000)
Mon, 0780° / 62°0.12
80 °
Knoxlyn, Monday, 7 September
Climate normal for this date — 60-year average.
Average high80°
Average low62°
Average precipitation0.12 in
Chance of precipitation22%
Record high91° (2016)
Record low47° (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 Knoxlyn, 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 Knoxlyn, 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.