As of 12:24 EDT

Weather in Erwin, TN

69°

Erwin, Friday, 9 October, 12:24

Overcast. Feels like 68°. High 71°, low 53°.

Pressure30.24 inHg

Wind5.7 mph NE

Humidity60%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

Monthly outlook for Erwin, TN: average high 67.3°, average low 49°. That is 0.6° above the climate normal for October. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 16 October (80.1°), the coolest 18 October (29.9°).

67.3°/49°

Average high / low

+0.6°

Above normal

5 / 5

Wet days / normal

1.4 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
9 October – 18 October	69°	67.4°	+0.9°
19 October – 28 October	64.6°	63.7°	+0.5°
29 October – 7 November	at normal	61°	—

October records over 66 years

91.4°3 October 2019All-time high

22.5°27 October 1982All-time low

Climate normals and records are computed from the nearest reference point — Johnson City (14 mi).

Sat, 1065° / 54°

0.85

65 °

Erwin, Saturday, 10 October

Heavy rain. High 65°, low 54°.

Pressure30.12 inHg

Wind14.2 mph E

Humidity84%

Visibility6.2 mi

Dew point59°

Sun, 1169° / 58°

0.28

69 °

Erwin, Sunday, 11 October

Rain. High 69°, low 58°.

Pressure29.91 inHg

Wind11.4 mph W

Humidity66%

Visibility6.2 mi

Dew point58°

Mon, 1274° / 57°

0.06

74 °

Erwin, Monday, 12 October

Light rain. High 74°, low 57°.

Pressure30.09 inHg

Wind8.7 mph W

Humidity74%

Visibility6.2 mi

Dew point61°

Tue, 1376° / 60°

76 °

Erwin, Tuesday, 13 October

Clear. High 76°, low 60°.

Pressure30.03 inHg

Wind10 mph W

Humidity57%

Visibility6.2 mi

Dew point58°

Wed, 1478° / 65°

78 °

Erwin, Wednesday, 14 October

Light rain. High 78°, low 65°.

Pressure30.03 inHg

Wind5.1 mph W

Humidity67%

Visibility—

Dew point64°

Thu, 1570° / 62°

0.01

70 °

Erwin, Thursday, 15 October

Light rain. High 70°, low 62°.

Pressure30.12 inHg

Wind4.5 mph S

Humidity72%

Visibility—

Dew point58°

Fri, 1680° / 61°

0.05

80 °

Erwin, Friday, 16 October

Light rain. High 80°, low 61°.

Pressure29.97 inHg

Wind13.3 mph W

Humidity54%

Visibility—

Dew point60°

Sat, 1752° / 35°

0.02

52 °

Erwin, Saturday, 17 October

Light rain. High 52°, low 35°.

Pressure30.18 inHg

Wind16.4 mph NW

Humidity39%

Visibility—

Dew point26°

Sun, 1855° / 30°

55 °

Erwin, Sunday, 18 October

Clear. High 55°, low 30°.

Pressure30.30 inHg

Wind6.2 mph N

Humidity31%

Visibility—

Dew point21°

Mon, 1964° / 36°

64 °

Erwin, Monday, 19 October

Overcast. High 64°, low 36°.

Pressure30.30 inHg

Wind4.2 mph S

Humidity28%

Visibility—

Dew point27°

Tue, 2066° / 42°

66 °

Erwin, Tuesday, 20 October

Partly cloudy. High 66°, low 42°.

Pressure30.36 inHg

Wind4.7 mph SE

Humidity32%

Visibility—

Dew point32°

Wed, 2169° / 43°

69 °

Erwin, Wednesday, 21 October

Clear. High 69°, low 43°.

Pressure30.33 inHg

Wind5.9 mph SE

Humidity31%

Visibility—

Dew point34°

Thu, 2268° / 42°

68 °

Erwin, Thursday, 22 October

Overcast. High 68°, low 42°.

Pressure30.21 inHg

Wind5.3 mph SE

Humidity34%

Visibility—

Dew point36°

Fri, 2371° / 50°

0.02

71 °

Erwin, Friday, 23 October

Light rain. High 71°, low 50°.

Pressure29.97 inHg

Wind7.2 mph W

Humidity42%

Visibility—

Dew point44°

Sat, 2450° / 35°

0.06

50 °

Erwin, Saturday, 24 October

Light rain. High 50°, low 35°.

Pressure29.91 inHg

Wind16.4 mph NW

Humidity38%

Visibility—

Dew point24°

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

Sun, 2563° / 46°

0.17

63 °

Erwin, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high63°

Average low46°

Average precipitation0.17 in

Chance of precipitation45%

Record high76° (2021)

Record low29° (2006)

Mon, 2663° / 46°

0.09

63 °

Erwin, Monday, 26 October

Climate normal for this date — 60-year average.

Average high63°

Average low46°

Average precipitation0.09 in

Chance of precipitation30%

Record high78° (2010)

Record low26° (1982)

Tue, 2762° / 45°

0.15

62 °

Erwin, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high62°

Average low45°

Average precipitation0.15 in

Chance of precipitation40%

Record high77° (1984)

Record low22° (1982)

Wed, 2862° / 46°

0.13

62 °

Erwin, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high62°

Average low46°

Average precipitation0.13 in

Chance of precipitation40%

Record high78° (1991)

Record low26° (1976)

Thu, 2962° / 44°

0.12

62 °

Erwin, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high62°

Average low44°

Average precipitation0.12 in

Chance of precipitation30%

Record high78° (2023)

Record low29° (1976)

Fri, 3063° / 43°

0.13

63 °

Erwin, Friday, 30 October

Climate normal for this date — 60-year average.

Average high63°

Average low43°

Average precipitation0.13 in

Chance of precipitation28%

Record high77° (2024)

Record low28° (2017)

Sat, 3164° / 45°

0.08

64 °

Erwin, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high64°

Average low45°

Average precipitation0.08 in

Chance of precipitation30%

Record high78° (2024)

Record low32° (1993)

Sun, 0163° / 45°

0.09

63 °

Erwin, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high63°

Average low45°

Average precipitation0.09 in

Chance of precipitation35%

Record high78° (2016)

Record low28° (2023)

Mon, 0262° / 44°

0.15

62 °

Erwin, Monday, 2 November

Climate normal for this date — 60-year average.

Average high62°

Average low44°

Average precipitation0.15 in

Chance of precipitation35%

Record high78° (2004)

Record low24° (2023)

Tue, 0361° / 43°

0.08

61 °

Erwin, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high61°

Average low43°

Average precipitation0.08 in

Chance of precipitation27%

Record high77° (2003)

Record low24° (2014)

Wed, 0459° / 42°

0.14

59 °

Erwin, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high59°

Average low42°

Average precipitation0.14 in

Chance of precipitation37%

Record high77° (2003)

Record low25° (1966)

Thu, 0559° / 41°

0.13

59 °

Erwin, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high59°

Average low41°

Average precipitation0.13 in

Chance of precipitation32%

Record high75° (2022)

Record low25° (1991)

Fri, 0659° / 41°

0.06

59 °

Erwin, Friday, 6 November

Climate normal for this date — 60-year average.

Average high59°

Average low41°

Average precipitation0.06 in

Chance of precipitation33%

Record high79° (2024)

Record low25° (1967)

Sat, 0759° / 41°

0.14

59 °

Erwin, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high59°

Average low41°

Average precipitation0.14 in

Chance of precipitation32%

Record high77° (2024)

Record low26° (1967)

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 Erwin, TN 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 Erwin, TN 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.