As of 02:56 EDT

Weather in Chester, PA

57°

Chester, Tuesday, 13 October, 02:56

Clear. Feels like 57°. High 77°, low 56°.

Pressure29.94 inHg

Wind1 mph N

Humidity94%

Visibility6.2 mi

Dew point56°

See detailed hourly forecast

Monthly outlook for Chester, PA: average high 65.1°, average low 51°. That is 0.9° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 14 October (81.3°), the coolest 18 October (39.3°).

65.1°/51°

Average high / low

+0.9°

Above normal

2 / 4

Wet days / normal

1.0 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
13 October – 22 October	67.4°	64.6°	+1.5°
23 October – 1 November	61.3°	61.2°	+0.1°
2 November – 11 November	at normal	58°	—

October records over 66 years

92.3°2 October 2019All-time high

27.3°24 October 1969All-time low

Wed, 1481° / 65°

0.02

81 °

Chester, Wednesday, 14 October

Light rain. High 81°, low 65°.

Pressure29.91 inHg

Wind8.1 mph W

Humidity69%

Visibility6.2 mi

Dew point67°

Thu, 1567° / 54°

67 °

Chester, Thursday, 15 October

Mostly clear. High 67°, low 54°.

Pressure30.24 inHg

Wind5.7 mph NE

Humidity61%

Visibility6.2 mi

Dew point49°

Fri, 1676° / 58°

0.45

76 °

Chester, Friday, 16 October

Rain. High 76°, low 58°.

Pressure29.65 inHg

Wind13 mph SW

Humidity87%

Visibility6.2 mi

Dew point67°

Sat, 1754° / 41°

0.01

54 °

Chester, Saturday, 17 October

Light rain. High 54°, low 41°.

Pressure30.18 inHg

Wind17 mph NW

Humidity51%

Visibility—

Dew point32°

Sun, 1857° / 39°

57 °

Chester, Sunday, 18 October

Clear. High 57°, low 39°.

Pressure30.47 inHg

Wind7.9 mph SW

Humidity54%

Visibility—

Dew point35°

Mon, 1963° / 42°

63 °

Chester, Monday, 19 October

Clear. High 63°, low 42°.

Pressure30.53 inHg

Wind9.3 mph SW

Humidity59%

Visibility—

Dew point40°

Tue, 2065° / 51°

65 °

Chester, Tuesday, 20 October

Overcast. High 65°, low 51°.

Pressure30.36 inHg

Wind4.3 mph W

Humidity67%

Visibility—

Dew point47°

Wed, 2167° / 52°

67 °

Chester, Wednesday, 21 October

Clear. High 67°, low 52°.

Pressure30.36 inHg

Wind7.1 mph NE

Humidity54%

Visibility—

Dew point44°

Thu, 2266° / 51°

66 °

Chester, Thursday, 22 October

Clear. High 66°, low 51°.

Pressure30.50 inHg

Wind7 mph S

Humidity57%

Visibility—

Dew point44°

Fri, 2368° / 50°

68 °

Chester, Friday, 23 October

Mostly clear. High 68°, low 50°.

Pressure30.39 inHg

Wind10 mph SW

Humidity63%

Visibility—

Dew point47°

Sat, 2472° / 58°

72 °

Chester, Saturday, 24 October

Overcast. High 72°, low 58°.

Pressure30.18 inHg

Wind10.5 mph W

Humidity79%

Visibility—

Dew point55°

Sun, 2562° / 55°

62 °

Chester, Sunday, 25 October

Overcast. High 62°, low 55°.

Pressure30.24 inHg

Wind7.7 mph E

Humidity58%

Visibility—

Dew point43°

Mon, 2653° / 50°

0.54

53 °

Chester, Monday, 26 October

Rain. High 53°, low 50°.

Pressure30.06 inHg

Wind9.4 mph N

Humidity80%

Visibility—

Dew point46°

Tue, 2755° / 48°

0.01

55 °

Chester, Tuesday, 27 October

Light rain. High 55°, low 48°.

Pressure29.74 inHg

Wind7.3 mph W

Humidity62%

Visibility—

Dew point37°

Wed, 2858° / 47°

58 °

Chester, Wednesday, 28 October

Overcast. High 58°, low 47°.

Pressure29.53 inHg

Wind14.5 mph W

Humidity60%

Visibility—

Dew point43°

From day 17 onward the outlook is built from 60-year climate statistics

Thu, 2959° / 45°

0.26

59 °

Chester, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high59°

Average low45°

Average precipitation0.26 in

Chance of precipitation25%

Record high77° (1984)

Record low32° (1965)

Fri, 3060° / 44°

0.09

60 °

Chester, Friday, 30 October

Climate normal for this date — 60-year average.

Average high60°

Average low44°

Average precipitation0.09 in

Chance of precipitation23%

Record high77° (2016)

Record low32° (1962)

Sat, 3160° / 45°

0.06

60 °

Chester, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high60°

Average low45°

Average precipitation0.06 in

Chance of precipitation18%

Record high79° (2024)

Record low31° (1988)

Sun, 0162° / 47°

0.08

62 °

Chester, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high62°

Average low47°

Average precipitation0.08 in

Chance of precipitation23%

Record high79° (2024)

Record low34° (2002)

Mon, 0261° / 47°

0.08

61 °

Chester, Monday, 2 November

Climate normal for this date — 60-year average.

Average high61°

Average low47°

Average precipitation0.08 in

Chance of precipitation32%

Record high76° (1971)

Record low31° (2023)

Tue, 0361° / 45°

0.08

61 °

Chester, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high61°

Average low45°

Average precipitation0.08 in

Chance of precipitation23%

Record high76° (2003)

Record low32° (1980)

Wed, 0459° / 44°

0.08

59 °

Chester, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high59°

Average low44°

Average precipitation0.08 in

Chance of precipitation18%

Record high76° (1974)

Record low32° (1996)

Thu, 0558° / 44°

0.11

58 °

Chester, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high58°

Average low44°

Average precipitation0.11 in

Chance of precipitation30%

Record high76° (2022)

Record low30° (1991)

Fri, 0657° / 44°

0.08

57 °

Chester, Friday, 6 November

Climate normal for this date — 60-year average.

Average high57°

Average low44°

Average precipitation0.08 in

Chance of precipitation25%

Record high78° (2024)

Record low28° (1967)

Sat, 0757° / 43°

0.1

57 °

Chester, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high57°

Average low43°

Average precipitation0.1 in

Chance of precipitation22%

Record high77° (2024)

Record low28° (1962)

Sun, 0857° / 42°

0.1

57 °

Chester, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high57°

Average low42°

Average precipitation0.1 in

Chance of precipitation28%

Record high73° (1975)

Record low27° (1960)

Mon, 0957° / 42°

0.08

57 °

Chester, Monday, 9 November

Climate normal for this date — 60-year average.

Average high57°

Average low42°

Average precipitation0.08 in

Chance of precipitation28%

Record high75° (1975)

Record low25° (2019)

Tue, 1057° / 42°

0.15

57 °

Chester, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high57°

Average low42°

Average precipitation0.15 in

Chance of precipitation35%

Record high73° (2020)

Record low28° (2017)

Wed, 1155° / 42°

0.13

55 °

Chester, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high55°

Average low42°

Average precipitation0.13 in

Chance of precipitation32%

Record high72° (2024)

Record low24° (2017)

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 Chester, 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 Chester, 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.