Erwin, TN Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Erwin, TN.

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Current Conditions — Erwin, TN

GREENEVILLE (KGCY)

Clear

55.4 F
Humidity:54%
Wind Speed: 0.0 mph
Barometer:30.19 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 03:35 AM EDT
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5-Day Forecast — Erwin, TN

Wednesday

High 75 °F
Mostly Sunny
Wednesday
Night
Low 53 °F
Mostly Clear
Thursday

High 78 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Partly Cloudy
Friday

High 78 °F
Slight Chance of Showers
Friday
Night
Low 59 °F
Chance of Showers
Saturday

High 75 °F
T-storms
Saturday
Night
Low 57 °F
T-storms
Sunday

High 75 °F
Chance of T-storms

Detailed Forecast — Erwin, TN

Wednesday
Mostly Sunny. High near 75°F. Wind 3 to 9 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly Clear. Low around 53°F. Wind 1 to 2 mph, with gusts as high as 10 mph.
Thursday
Mostly Sunny. High near 78°F. Wind 1 to 5 mph, with gusts as high as 10 mph.
Thursday Night
Partly Cloudy. Low around 57°F. Wind around 1 mph, with gusts as high as 6 mph.
Friday
Slight Chance of Showers. High near 78°F. Wind 1 to 6 mph, with gusts as high as 13 mph.
Friday Night
Chance of Showers. Low around 59°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Saturday
Thunderstorms. High near 75°F. Wind 1 to 5 mph, with gusts as high as 10 mph.
Saturday Night
Thunderstorms. Low around 57°F. Wind 0 to 2 mph, with gusts as high as 6 mph.
Sunday
Chance of Thunderstorms. High near 75°F. Wind 1 to 5 mph, with gusts as high as 10 mph.
Sunday Night
Chance of Showers. Low around 53°F. Wind 2 to 5 mph, with gusts as high as 12 mph.
Monday
Chance of Thunderstorms. High near 75°F. Wind 7 to 8 mph, with gusts as high as 16 mph.
Monday Night
Chance of Thunderstorms. Low around 57°F. Wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Scattered Thunderstorms Likely. High near 75°F. Wind 7 to 9 mph, with gusts as high as 20 mph.
TN Radar
Current Radar • TN
Day 1 Outlook • April 22, 2026

Observation History — Erwin, TN

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:35 AM EDT 0.0 10.00 Clear -- 55.4 39.2 54% NA NA 30.19 1022.4
03:15 AM EDT 0.0 10.00 Clear -- 57.2 39.2 51% NA NA 30.19 1022.4
02:35 AM EDT 0.0 10.00 Clear -- 57.2 39.2 51% NA NA 30.19 1022.4
02:15 AM EDT 0.0 10.00 Clear -- 57.2 39.2 51% NA NA 30.19 1022.4
01:55 AM EDT 10.00 Clear -- NULL % NA NA M
01:35 AM EDT 0.0 10.00 Clear -- 57.2 39.2 51% NA NA 30.20 1022.7
01:15 AM EDT 10.00 Clear -- NULL % NA NA M
12:35 AM EDT 0.0 10.00 Clear -- 59.0 39.2 48% NA NA 30.21 1023.0
12:15 AM EDT 0.0 10.00 Clear -- 59.0 39.2 48% NA NA 30.21 1023.0
11:55 PM EDT 10.00 Clear -- NULL % NA NA M
11:35 PM EDT 10.00 Clear -- NULL % NA NA M
11:15 PM EDT SW 3.4 10.00 Clear -- 59.0 41.0 51% NA NA 30.21 1023.0
09:35 PM EDT 10.00 Clear -- NULL % NA NA M
09:15 PM EDT 0.0 10.00 Clear -- 60.8 % NA NA 30.20 1022.7
08:35 PM EDT 0.0 10.00 Clear -- 62.6 41.0 45% NA NA 30.19 1022.4
08:15 PM EDT 0.0 10.00 Clear -- 64.4 41.0 42% NA NA 30.19 1022.4
07:55 PM EDT 10.00 Clear -- NULL % NA NA M
07:35 PM EDT 0.0 10.00 Clear -- 68.0 41.0 37% NA NA 30.18 1022.0
07:15 PM EDT 4.6 10.00 Clear -- 69.8 41.0 35% NA NA 30.19 1022.4
06:35 PM EDT SW 5.7 10.00 Clear -- 71.6 41.0 33% NA 70.0 30.19 1022.4
06:15 PM EDT W 6.9 10.00 Clear -- 71.6 39.2 31% NA 70.0 30.20 1022.7
05:35 PM EDT 10.00 Clear -- NULL % NA NA M
05:15 PM EDT SW 4.6 G 12.7 10.00 Clear -- 71.6 39.2 31% NA 70.0 30.20 1022.7
04:35 PM EDT 4.6 G 11.5 10.00 Clear -- 71.6 39.2 31% NA 70.0 30.22 1023.4

Regional Weather Observation

GREENEVILLE (KGCY)

Clear
55.4 F

BRISTOL (KTRI)

NULL
42.8 F

ELIZABETHTON (K0A9)

Mostly Clear
42.8 F

ABINGDON (KVJI)

Clear
46.4 F

WISE/LONESOME PI (KLNP)

Clear
NULL F

JONESVILLE (K0VG)

Clear
44.6 F
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