Weather in Signal Mountain, Tennessee
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Signal Mountain, TN
Sunday, May 17 at 4:53 AM
64
°
Mostly Clear
Feels like
61°
Humidity
53%
Wind
6 mph
Sunrise
6:35 AM
Sunset
8:39 PM
Signal Mountain, TN
Hour by hour · 24h
51°
12a
50°
1a
49°
2a
47°
3a
46°
4a
45°
5a
46°
6a
46°
7a
51°
8a
53°
9a
55°
10a
58°
11a
62°
12p
64°
1p
67°
2p
70°
3p
72°
4p
74°
5p
73°
6p
72°
7p
70°
8p
65°
9p
62°
10p
61°
11p
Signal Mountain, TN
7-day forecast
- TodayMay 17Overcast—84°63°
- MondayMay 18Overcast13%84°66°
- TuesdayMay 19Overcast—84°61°
- WednesdayMay 20Showers66%84°61°
- ThursdayMay 21Drizzle65%84°63°
- FridayMay 22Drizzle66%76°63°
- SaturdayMay 23Drizzle62%74°63°
Signal Mountain, TN
Next 24 hours · Cool now
Signal Mountain, TN
Anemometer · 24h winds · from true
From · True
SE
142° · veering 7°
Direction
SE
142°
Sustained
6
mph
Gust
7
mph
Peak 24h
13
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
−24h−18h−12h−6hnow
Signal Mountain, TN
Air quality
43
AQI
Good
- PM 2.5
- 13.0 μg/m³
- PM 10
- 13.5 μg/m³
- NO₂
- 13.1 μg/m³
- Ozone
- 64.0 μg/m³
- UV Index
- 0.0 Low
Signal Mountain, TN
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:09 AM
Sunrise
6:35 AM
Daylight
14h 04m
Sunset
8:39 PM
Civil dusk
1:08 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Signal Mountain, TN
The moon
New Moon
0% illuminated
- Moonrise
- 10:47 AM
- Moonset
- 1:03 AM
- In sign
- ♊︎ Gemini
Signal Mountain, TN
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Signal Mountain at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.