As of 05:17 EDT

Weather in Union, PA

38°

Union, Wednesday, 7 October, 05:17

Clear. Feels like 38°. High 67°, low 38°.

Pressure30.03 inHg

Wind3 mph W

Humidity93%

Visibility6.2 mi

Dew point35°

See detailed hourly forecast

Monthly outlook for Union, PA: average high 58.2°, average low 40.7°. That is 0.6° below the climate normal for October. Precipitation is expected on 6 days (about 3.2 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 12 October (71.1°), the coolest 21 October (32.5°).

58.2°/40.7°

Average high / low

−0.6°

Below normal

6 / 5

Wet days / normal

3.2 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
7 October – 16 October	61°	60.8°	+0.1°
17 October – 26 October	53.5°	56.3°	-1.5°
27 October – 5 November	at normal	53.5°	—

October records over 66 years

82.9°8 October 2007All-time high

22.1°31 October 2002All-time low

Climate normals and records are computed from the nearest reference point — Pikes Creek (8 mi).

Thu, 0869° / 49°

69 °

Union, Thursday, 8 October

Mostly clear. High 69°, low 49°.

Pressure29.91 inHg

Wind10.5 mph W

Humidity50%

Visibility6.2 mi

Dew point44°

Fri, 0963° / 44°

63 °

Union, Friday, 9 October

Mostly clear. High 63°, low 44°.

Pressure30.18 inHg

Wind9.7 mph W

Humidity48%

Visibility6.2 mi

Dew point42°

Sat, 1064° / 43°

64 °

Union, Saturday, 10 October

Partly cloudy. High 64°, low 43°.

Pressure30.47 inHg

Wind4.5 mph S

Humidity51%

Visibility6.2 mi

Dew point43°

Sun, 1158° / 49°

0.48

58 °

Union, Sunday, 11 October

Rain. High 58°, low 49°.

Pressure30.33 inHg

Wind9.6 mph SE

Humidity74%

Visibility—

Dew point47°

Mon, 1271° / 51°

0.63

71 °

Union, Monday, 12 October

Heavy rain. High 71°, low 51°.

Pressure29.71 inHg

Wind7.6 mph NW

Humidity84%

Visibility—

Dew point60°

Tue, 1347° / 37°

0.85

47 °

Union, Tuesday, 13 October

Rain. High 47°, low 37°.

Pressure29.97 inHg

Wind9.4 mph NW

Humidity96%

Visibility—

Dew point38°

Wed, 1449° / 36°

0.09

49 °

Union, Wednesday, 14 October

Snow. High 49°, low 36°.

Pressure30.24 inHg

Wind12 mph N

Humidity89%

Visibility—

Dew point36°

Thu, 1559° / 35°

59 °

Union, Thursday, 15 October

Clear. High 59°, low 35°.

Pressure30.30 inHg

Wind6.5 mph E

Humidity49%

Visibility—

Dew point30°

Fri, 1662° / 49°

62 °

Union, Friday, 16 October

Overcast. High 62°, low 49°.

Pressure30.12 inHg

Wind7.9 mph S

Humidity82%

Visibility—

Dew point51°

Sat, 1760° / 43°

0.88

60 °

Union, Saturday, 17 October

Rain. High 60°, low 43°.

Pressure29.77 inHg

Wind13.7 mph NW

Humidity97%

Visibility—

Dew point58°

Sun, 1850° / 37°

0.23

50 °

Union, Sunday, 18 October

Rain. High 50°, low 37°.

Pressure29.85 inHg

Wind14.2 mph W

Humidity73%

Visibility—

Dew point38°

Mon, 1952° / 33°

52 °

Union, Monday, 19 October

Clear. High 52°, low 33°.

Pressure30.24 inHg

Wind13.1 mph W

Humidity61%

Visibility—

Dew point31°

Tue, 2052° / 36°

52 °

Union, Tuesday, 20 October

Clear. High 52°, low 36°.

Pressure30.36 inHg

Wind12.1 mph NW

Humidity55%

Visibility—

Dew point31°

Wed, 2154° / 32°

54 °

Union, Wednesday, 21 October

Clear. High 54°, low 32°.

Pressure30.33 inHg

Wind7.3 mph W

Humidity55%

Visibility—

Dew point30°

Thu, 2253° / 37°

53 °

Union, Thursday, 22 October

Overcast. High 53°, low 37°.

Pressure30.12 inHg

Wind6.1 mph S

Humidity72%

Visibility—

Dew point37°

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

Fri, 2356° / 42°

0.09

56 °

Union, Friday, 23 October

Climate normal for this date — 60-year average.

Average high56°

Average low42°

Average precipitation0.09 in

Chance of precipitation25%

Record high72° (2024)

Record low26° (1969)

Sat, 2456° / 41°

0.14

56 °

Union, Saturday, 24 October

Climate normal for this date — 60-year average.

Average high56°

Average low41°

Average precipitation0.14 in

Chance of precipitation35%

Record high72° (1963)

Record low25° (1969)

Sun, 2556° / 42°

0.14

56 °

Union, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high56°

Average low42°

Average precipitation0.14 in

Chance of precipitation30%

Record high72° (1963)

Record low28° (1962)

Mon, 2655° / 41°

0.11

55 °

Union, Monday, 26 October

Climate normal for this date — 60-year average.

Average high55°

Average low41°

Average precipitation0.11 in

Chance of precipitation38%

Record high75° (1963)

Record low29° (1960)

Tue, 2755° / 41°

0.16

55 °

Union, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high55°

Average low41°

Average precipitation0.16 in

Chance of precipitation28%

Record high75° (1963)

Record low27° (1976)

Wed, 2855° / 40°

0.13

55 °

Union, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high55°

Average low40°

Average precipitation0.13 in

Chance of precipitation33%

Record high74° (1984)

Record low25° (1976)

Thu, 2953° / 38°

0.16

53 °

Union, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high53°

Average low38°

Average precipitation0.16 in

Chance of precipitation27%

Record high69° (1989)

Record low26° (1965)

Fri, 3053° / 38°

0.11

53 °

Union, Friday, 30 October

Climate normal for this date — 60-year average.

Average high53°

Average low38°

Average precipitation0.11 in

Chance of precipitation23%

Record high70° (2024)

Record low28° (1962)

Sat, 3153° / 38°

0.07

53 °

Union, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high53°

Average low38°

Average precipitation0.07 in

Chance of precipitation22%

Record high74° (2024)

Record low22° (2002)

Sun, 0154° / 40°

0.09

54 °

Union, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high54°

Average low40°

Average precipitation0.09 in

Chance of precipitation28%

Record high71° (1974)

Record low23° (2002)

Mon, 0254° / 41°

0.12

54 °

Union, Monday, 2 November

Climate normal for this date — 60-year average.

Average high54°

Average low41°

Average precipitation0.12 in

Chance of precipitation30%

Record high73° (1982)

Record low25° (2002)

Tue, 0354° / 39°

0.08

54 °

Union, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high54°

Average low39°

Average precipitation0.08 in

Chance of precipitation28%

Record high71° (2003)

Record low25° (1993)

Wed, 0452° / 38°

0.08

52 °

Union, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high52°

Average low38°

Average precipitation0.08 in

Chance of precipitation22%

Record high70° (2003)

Record low26° (2002)

Thu, 0552° / 38°

0.1

52 °

Union, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high52°

Average low38°

Average precipitation0.1 in

Chance of precipitation33%

Record high69° (2022)

Record low18° (1962)

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 Union, 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 Union, 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.