What is the weather in Signal Mountain right now?

Current weather in Signal Mountain is broken clouds.

Where can I find the hourly weather forecast for Signal Mountain?

This page shows hourly weather forecast for Signal Mountain, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Signal Mountain updated regularly?

Weather data for Signal Mountain is updated regularly with the latest available observations and forecasts.

Now · 12:07 PM

Signal Mountain Weather & Hourly Forecast

United States · Tennessee · 37377

87°F

Mostly cloudy

Feels like: 95°F

💧 Humidity 62% 🌡 Pressure 30.03 inHg 💨 Wind 1 mph 👁 Visibility 6.2 mi ☁ Clouds 60% ☀️ UV index 7.1 · High 🌅 Sunrise 7:16 AM 🌇 Sunset 8:04 PM

Hourly Forecast for Signal Mountain

Today

1:00 PM

Mostly cloudy

87° 💧 None 💨 1 mph H 62%30.03 inHg

4:00 PM

Mostly cloudy

92° 💧 None 💨 3 mph H 46%29.97 inHg

7:00 PM

Mostly cloudy

95° 💧 0.00 in 💨 3 mph H 51%29.91 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 4 mph H 75%29.97 inHg

Tomorrow

1:00 AM

Mostly clear night

76° 💧 None 💨 0 mph H 71%29.94 inHg

4:00 AM

Clear night

72° 💧 None 💨 2 mph H 75%29.94 inHg

7:00 AM

Clear night

71° 💧 0.01 in 💨 1 mph H 78%29.94 inHg

10:00 AM

Sunny

80° 💧 None 💨 1 mph H 67%29.97 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 2 mph H 38%29.94 inHg

4:00 PM

Partly cloudy

96° 💧 None 💨 1 mph H 35%29.85 inHg

7:00 PM

Light rain

88° 💧 0.01 in 💨 2 mph H 75%29.85 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 2 mph H 73%29.88 inHg

Sunday

1:00 AM

Partly cloudy night

75° 💧 0.04 in 💨 1 mph H 76%29.88 inHg

4:00 AM

Overcast night

68° 💧 None 💨 1 mph H 95%29.85 inHg

7:00 AM

Mostly cloudy night

68° 💧 None 💨 2 mph H 95%29.88 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 2 mph H 78%29.91 inHg

Today

1:00 PM

Mostly cloudy

87° 💧 None 💨 1 mph H 62%30.03 inHg

2:00 PM

Mostly cloudy

88° 💧 None 💨 2 mph H 58%30.03 inHg

3:00 PM

Mostly cloudy

90° 💧 None 💨 3 mph H 52%30.00 inHg

4:00 PM

Mostly cloudy

92° 💧 None 💨 3 mph H 46%29.97 inHg

5:00 PM

Mostly cloudy

93° 💧 None 💨 3 mph H 40%29.94 inHg

6:00 PM

Mostly cloudy

95° 💧 None 💨 3 mph H 35%29.91 inHg

7:00 PM

Mostly cloudy

95° 💧 None 💨 3 mph H 51%29.91 inHg

8:00 PM

Light rain

89° 💧 0.00 in 💨 1 mph H 59%29.91 inHg

9:00 PM

Partly cloudy night

83° 💧 None 💨 4 mph H 68%29.97 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 4 mph H 75%29.97 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 3 mph H 73%29.97 inHg

Tomorrow

12:00 AM

Mostly clear night

77° 💧 None 💨 1 mph H 70%29.94 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 0 mph H 71%29.94 inHg

2:00 AM

Mostly clear night

73° 💧 None 💨 0 mph H 73%29.94 inHg

3:00 AM

Clear night

72° 💧 None 💨 2 mph H 75%29.94 inHg

4:00 AM

Clear night

72° 💧 None 💨 2 mph H 75%29.94 inHg

5:00 AM

Clear night

71° 💧 None 💨 1 mph H 76%29.94 inHg

6:00 AM

Clear night

72° 💧 None 💨 1 mph H 77%29.94 inHg

7:00 AM

Clear night

71° 💧 None 💨 1 mph H 78%29.94 inHg

8:00 AM

Light rain

72° 💧 0.01 in 💨 2 mph H 83%29.97 inHg

9:00 AM

Sunny

76° 💧 None 💨 1 mph H 77%29.97 inHg

10:00 AM

Sunny

80° 💧 None 💨 1 mph H 67%29.97 inHg

11:00 AM

Sunny

84° 💧 None 💨 0 mph H 53%29.97 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 2 mph H 45%29.94 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 2 mph H 38%29.94 inHg

2:00 PM

Mostly sunny

93° 💧 None 💨 2 mph H 34%29.91 inHg

3:00 PM

Mostly sunny

95° 💧 None 💨 3 mph H 32%29.88 inHg

4:00 PM

Partly cloudy

96° 💧 None 💨 1 mph H 35%29.85 inHg

5:00 PM

Partly cloudy

91° 💧 None 💨 4 mph H 45%29.85 inHg

6:00 PM

Mostly cloudy

89° 💧 None 💨 4 mph H 56%29.85 inHg

7:00 PM

Light rain

88° 💧 0.01 in 💨 2 mph H 75%29.85 inHg

8:00 PM

Mostly cloudy

85° 💧 None 💨 2 mph H 79%29.85 inHg

9:00 PM

Partly cloudy night

81° 💧 None 💨 3 mph H 76%29.85 inHg

10:00 PM

Partly cloudy night

79° 💧 None 💨 2 mph H 73%29.88 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 3 mph H 75%29.88 inHg

Sunday

12:00 AM

Partly cloudy night

76° 💧 None 💨 2 mph H 77%29.88 inHg

1:00 AM

Partly cloudy night

75° 💧 None 💨 1 mph H 76%29.88 inHg

2:00 AM

Light rain

71° 💧 0.04 in 💨 6 mph H 89%29.91 inHg

3:00 AM

Light rain

68° 💧 0.01 in 💨 3 mph H 97%29.88 inHg

4:00 AM

Overcast night

68° 💧 None 💨 1 mph H 95%29.85 inHg

5:00 AM

Mostly cloudy night

68° 💧 None 💨 1 mph H 95%29.88 inHg

6:00 AM

Overcast night

68° 💧 None 💨 1 mph H 95%29.85 inHg

7:00 AM

Mostly cloudy night

68° 💧 None 💨 2 mph H 95%29.88 inHg

8:00 AM

Mostly cloudy

69° 💧 None 💨 2 mph H 94%29.88 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 88%29.91 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 2 mph H 78%29.91 inHg

11:00 AM

Mostly cloudy

82° 💧 None 💨 1 mph H 64%29.91 inHg

12:00 PM

Mostly cloudy

86° 💧 None 💨 2 mph H 56%29.91 inHg

1:00 PM

Partly cloudy

89° 💧 None 💨 3 mph H 48%29.88 inHg

2:00 PM

Partly cloudy

91° 💧 None 💨 4 mph H 41%29.85 inHg

3:00 PM

Sunny

92° 💧 None 💨 6 mph H 35%29.83 inHg

4:00 PM

Sunny

92° 💧 None 💨 9 mph H 34%29.83 inHg

5:00 PM

Sunny

90° 💧 None 💨 10 mph H 36%29.83 inHg

6:00 PM

Sunny

87° 💧 None 💨 9 mph H 43%29.83 inHg

7:00 PM

Sunny

82° 💧 None 💨 9 mph H 56%29.83 inHg

8:00 PM

Sunny

76° 💧 None 💨 7 mph H 69%29.85 inHg

9:00 PM

Clear night

73° 💧 None 💨 6 mph H 73%29.88 inHg

10:00 PM

Clear night

71° 💧 None 💨 5 mph H 79%29.91 inHg

11:00 PM

Clear night

70° 💧 None 💨 5 mph H 81%29.91 inHg

Monday

12:00 AM

Clear night

69° 💧 None 💨 5 mph H 83%29.91 inHg

1:00 AM

Clear night

68° 💧 None 💨 5 mph H 86%29.91 inHg

2:00 AM

Clear night

67° 💧 None 💨 4 mph H 87%29.91 inHg

3:00 AM

Clear night

66° 💧 None 💨 3 mph H 88%29.91 inHg

4:00 AM

Clear night

66° 💧 None 💨 4 mph H 89%29.91 inHg

5:00 AM

Clear night

65° 💧 None 💨 4 mph H 91%29.94 inHg

6:00 AM

Clear night

65° 💧 None 💨 4 mph H 92%29.94 inHg

7:00 AM

Clear night

65° 💧 None 💨 4 mph H 93%29.97 inHg

8:00 AM

Mostly sunny

66° 💧 None 💨 4 mph H 90%30.00 inHg

9:00 AM

Partly cloudy

70° 💧 None 💨 3 mph H 82%30.00 inHg

10:00 AM

Mostly sunny

74° 💧 None 💨 4 mph H 74%30.00 inHg

11:00 AM

Mostly sunny

77° 💧 None 💨 5 mph H 66%30.03 inHg

12:00 PM

Partly cloudy

79° 💧 None 💨 6 mph H 63%30.03 inHg

1:00 PM

Partly cloudy

79° 💧 None 💨 6 mph H 63%30.03 inHg

2:00 PM

Mostly cloudy

81° 💧 None 💨 8 mph H 58%30.03 inHg

3:00 PM

Light rain

80° 💧 0.01 in 💨 9 mph H 59%30.00 inHg

4:00 PM

Light rain

81° 💧 0.01 in 💨 9 mph H 60%30.00 inHg

5:00 PM

Light rain

81° 💧 0.01 in 💨 10 mph H 59%30.00 inHg

6:00 PM

Mostly cloudy

81° 💧 None 💨 10 mph H 58%30.00 inHg

7:00 PM

Mostly cloudy

78° 💧 None 💨 8 mph H 64%30.03 inHg

8:00 PM

Partly cloudy

74° 💧 None 💨 6 mph H 71%30.06 inHg

9:00 PM

Clear night

71° 💧 None 💨 3 mph H 78%30.09 inHg

10:00 PM

Clear night

69° 💧 None 💨 2 mph H 81%30.09 inHg

11:00 PM

Clear night

68° 💧 None 💨 2 mph H 82%30.12 inHg

Tuesday

12:00 AM

Clear night

68° 💧 None 💨 2 mph H 83%30.12 inHg

1:00 AM

Clear night

67° 💧 None 💨 2 mph H 84%30.12 inHg

2:00 AM

Clear night

66° 💧 None 💨 1 mph H 85%30.12 inHg

3:00 AM

Clear night

66° 💧 None 💨 2 mph H 87%30.12 inHg

4:00 AM

Clear night

65° 💧 None 💨 2 mph H 87%30.15 inHg

5:00 AM

Clear night

65° 💧 None 💨 2 mph H 88%30.15 inHg

6:00 AM

Clear night

64° 💧 None 💨 2 mph H 89%30.15 inHg

7:00 AM

Mostly clear night

63° 💧 None 💨 1 mph H 90%30.18 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 1 mph H 89%30.21 inHg

9:00 AM

Overcast

69° 💧 None 💨 5 mph H 79%30.21 inHg

10:00 AM

Overcast

73° 💧 None 💨 8 mph H 69%30.24 inHg

11:00 AM

Overcast

76° 💧 None 💨 9 mph H 61%30.24 inHg

12:00 PM

Overcast

79° 💧 None 💨 10 mph H 53%30.24 inHg

In Signal Mountain and, more broadly, across the state of Tennessee: The rest of the day will be mostly sunny with a few clouds, and temperatures will remain very hot, ranging from 79 to 101 degrees Fahrenheit. A small chance of rain exists, with a maximum probability of 22%, and any rainfall is expected to be minimal, around 0.01 inches. Winds will be light from the west, with maximum speeds of 5 mph and gusts up to 5 mph. It’s important to stay hydrated and take sun protection precautions during these hot conditions. The slight chance of rain might bring brief, light showers, but overall, dry weather will dominate the afternoon.

15-Day Weather Outlook for Signal Mountain

TomorrowTomorrow

Light rain 97°/70° 💧 0.10 in 💨 7 mph

Sunday, Sep 6Sun Sep 6

Light rain 94°/66° 💧 0.06 in 💨 9 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 84°/67° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 86°/65° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 87°/66° 💧 None 💨 5 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 94°/69° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Sunny 96°/70° 💧 None 💨 5 mph

Saturday, Sep 12Sat Sep 12

Light rain 96°/72° 💧 0.05 in 💨 8 mph

Sunday, Sep 13Sun Sep 13

Light rain 88°/66° 💧 0.19 in 💨 11 mph

Monday, Sep 14Mon Sep 14

Light rain 84°/63° 💧 0.02 in 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 84°/64° 💧 None 💨 4 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 87°/63° 💧 None 💨 4 mph

Thursday, Sep 17Thu Sep 17

Overcast 85°/64° 💧 None 💨 2 mph

Friday, Sep 18Fri Sep 18

Light rain 90°/64° 💧 0.03 in 💨 2 mph

Saturday, Sep 19Sat Sep 19

Sunny 93°/68° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Signal Mountain

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Signal Mountain

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 4,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 91,2µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Signal Mountain

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 8,9Very high 🙂Fair

Tomorrow UV 9,0Very high 😐Moderate

Sunday UV 7,9High 🙂Fair

Monday UV 6,0High 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 7,0High —Unavailable

Thursday UV 8,0Very high —Unavailable

Hourly UV index today

1:00 PMUV 8,7 2:00 PMUV 8,9 3:00 PMUV 7,8 4:00 PMUV 5,4 5:00 PMUV 3,0 6:00 PMUV 1,4 7:00 PMUV 0,2

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Signal Mountain

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.99 Population: 8,860

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Forecast data for Signal Mountain were last refreshed today at 12:07 PM. The current forecast period extends through 06/09/2026 at 10:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.