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Current weather in Watertown is clear sky.

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

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

Now · 1:00 PM

Watertown Weather & Hourly Forecast

United States · Tennessee · 37184

98°F

Sunny

Feels like: 110°F

💧 Humidity 47% 🌡 Pressure 30.00 inHg 💨 Wind 2 mph 👁 Visibility 6.2 mi ☁ Clouds 1% ☀️ UV index 8.7 · Very high 🌅 Sunrise 6:18 AM 🌇 Sunset 7:08 PM

Hourly Forecast for Watertown

Today

2:00 PM

Sunny

98° 💧 None 💨 2 mph H 47%30.00 inHg

5:00 PM

Mostly sunny

103° 💧 None 💨 3 mph H 45%29.94 inHg

8:00 PM

Light rain

85° 💧 0.01 in 💨 8 mph H 77%29.97 inHg

11:00 PM

Clear night

78° 💧 None 💨 3 mph H 66%29.94 inHg

Tomorrow

2:00 AM

Partly cloudy night

71° 💧 None 💨 0 mph H 68%29.94 inHg

5:00 AM

Partly cloudy night

70° 💧 None 💨 2 mph H 71%29.91 inHg

8:00 AM

Sunny

78° 💧 0.01 in 💨 3 mph H 72%29.94 inHg

11:00 AM

Sunny

94° 💧 None 💨 3 mph H 58%29.94 inHg

2:00 PM

Sunny

99° 💧 None 💨 3 mph H 44%29.88 inHg

5:00 PM

Sunny

107° 💧 None 💨 3 mph H 41%29.83 inHg

8:00 PM

Partly cloudy night

85° 💧 0.03 in 💨 2 mph H 61%29.85 inHg

11:00 PM

Mostly cloudy night

75° 💧 0.01 in 💨 3 mph H 86%29.88 inHg

Sunday

2:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 92%29.85 inHg

5:00 AM

Partly cloudy night

71° 💧 None 💨 4 mph H 95%29.85 inHg

8:00 AM

Overcast

73° 💧 None 💨 6 mph H 84%29.91 inHg

11:00 AM

Mostly sunny

84° 💧 None 💨 8 mph H 63%29.91 inHg

Today

2:00 PM

Sunny

98° 💧 None 💨 2 mph H 47%30.00 inHg

3:00 PM

Mostly sunny

99° 💧 None 💨 4 mph H 46%29.97 inHg

4:00 PM

Mostly sunny

101° 💧 None 💨 4 mph H 45%29.97 inHg

5:00 PM

Mostly sunny

103° 💧 None 💨 3 mph H 45%29.94 inHg

6:00 PM

Mostly sunny

101° 💧 None 💨 3 mph H 54%29.88 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 4 mph H 65%29.91 inHg

8:00 PM

Light rain

85° 💧 0.01 in 💨 8 mph H 77%29.97 inHg

9:00 PM

Clear night

80° 💧 None 💨 6 mph H 80%29.94 inHg

10:00 PM

Clear night

79° 💧 None 💨 5 mph H 75%29.97 inHg

11:00 PM

Clear night

78° 💧 None 💨 3 mph H 66%29.94 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 3 mph H 62%29.94 inHg

1:00 AM

Clear night

71° 💧 None 💨 2 mph H 64%29.94 inHg

2:00 AM

Partly cloudy night

71° 💧 None 💨 0 mph H 68%29.94 inHg

3:00 AM

Mostly cloudy night

71° 💧 None 💨 2 mph H 69%29.91 inHg

4:00 AM

Partly cloudy night

71° 💧 None 💨 2 mph H 69%29.91 inHg

5:00 AM

Partly cloudy night

70° 💧 None 💨 2 mph H 71%29.91 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 3 mph H 71%29.94 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 3 mph H 75%29.94 inHg

8:00 AM

Sunny

78° 💧 None 💨 3 mph H 72%29.94 inHg

9:00 AM

Light rain

87° 💧 0.01 in 💨 2 mph H 68%29.97 inHg

10:00 AM

Sunny

91° 💧 None 💨 3 mph H 65%29.97 inHg

11:00 AM

Sunny

94° 💧 None 💨 3 mph H 58%29.94 inHg

12:00 PM

Sunny

94° 💧 None 💨 3 mph H 52%29.94 inHg

1:00 PM

Sunny

96° 💧 None 💨 3 mph H 47%29.91 inHg

2:00 PM

Sunny

99° 💧 None 💨 3 mph H 44%29.88 inHg

3:00 PM

Sunny

103° 💧 None 💨 3 mph H 42%29.88 inHg

4:00 PM

Sunny

108° 💧 None 💨 3 mph H 39%29.85 inHg

5:00 PM

Sunny

107° 💧 None 💨 3 mph H 41%29.83 inHg

6:00 PM

Sunny

99° 💧 None 💨 3 mph H 53%29.80 inHg

7:00 PM

Mostly sunny

91° 💧 None 💨 2 mph H 59%29.83 inHg

8:00 PM

Partly cloudy night

85° 💧 None 💨 2 mph H 61%29.85 inHg

9:00 PM

Mostly cloudy night

82° 💧 None 💨 2 mph H 59%29.85 inHg

10:00 PM

Light rain

78° 💧 0.03 in 💨 9 mph H 77%29.88 inHg

11:00 PM

Mostly cloudy night

75° 💧 None 💨 3 mph H 86%29.88 inHg

Sunday

12:00 AM

Mostly cloudy night

73° 💧 None 💨 2 mph H 87%29.88 inHg

1:00 AM

Light rain

68° 💧 0.01 in 💨 4 mph H 88%29.88 inHg

2:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 92%29.85 inHg

3:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 92%29.85 inHg

4:00 AM

Mostly clear night

71° 💧 None 💨 4 mph H 94%29.85 inHg

5:00 AM

Partly cloudy night

71° 💧 None 💨 4 mph H 95%29.85 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 4 mph H 95%29.88 inHg

7:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 92%29.91 inHg

8:00 AM

Overcast

73° 💧 None 💨 6 mph H 84%29.91 inHg

9:00 AM

Partly cloudy

77° 💧 None 💨 7 mph H 74%29.91 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 8 mph H 65%29.91 inHg

11:00 AM

Mostly sunny

84° 💧 None 💨 8 mph H 63%29.91 inHg

12:00 PM

Mostly sunny

85° 💧 None 💨 9 mph H 65%29.91 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 11 mph H 62%29.91 inHg

2:00 PM

Partly cloudy

86° 💧 None 💨 11 mph H 58%29.88 inHg

3:00 PM

Mostly sunny

87° 💧 None 💨 10 mph H 53%29.88 inHg

4:00 PM

Sunny

87° 💧 None 💨 11 mph H 50%29.88 inHg

5:00 PM

Sunny

85° 💧 None 💨 9 mph H 52%29.88 inHg

6:00 PM

Sunny

83° 💧 None 💨 6 mph H 59%29.88 inHg

7:00 PM

Sunny

78° 💧 None 💨 8 mph H 62%29.88 inHg

8:00 PM

Clear night

77° 💧 None 💨 10 mph H 60%29.88 inHg

9:00 PM

Clear night

75° 💧 None 💨 8 mph H 63%29.91 inHg

10:00 PM

Clear night

72° 💧 None 💨 6 mph H 65%29.91 inHg

11:00 PM

Clear night

70° 💧 None 💨 6 mph H 64%29.91 inHg

Monday

12:00 AM

Clear night

68° 💧 None 💨 6 mph H 64%29.94 inHg

1:00 AM

Clear night

66° 💧 None 💨 6 mph H 65%29.94 inHg

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 69%29.94 inHg

3:00 AM

Clear night

64° 💧 None 💨 5 mph H 76%29.94 inHg

4:00 AM

Clear night

64° 💧 None 💨 5 mph H 80%29.97 inHg

5:00 AM

Clear night

64° 💧 None 💨 5 mph H 83%29.97 inHg

6:00 AM

Clear night

64° 💧 None 💨 6 mph H 84%29.97 inHg

7:00 AM

Sunny

65° 💧 None 💨 5 mph H 83%29.97 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 75%30.00 inHg

9:00 AM

Mostly sunny

75° 💧 None 💨 3 mph H 68%30.00 inHg

10:00 AM

Partly cloudy

80° 💧 None 💨 2 mph H 63%30.00 inHg

11:00 AM

Partly cloudy

83° 💧 None 💨 3 mph H 60%30.00 inHg

12:00 PM

Partly cloudy

85° 💧 None 💨 4 mph H 57%30.00 inHg

1:00 PM

Partly cloudy

87° 💧 None 💨 5 mph H 55%30.00 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 5 mph H 53%30.00 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 4 mph H 59%29.97 inHg

4:00 PM

Mostly cloudy

86° 💧 None 💨 4 mph H 59%29.97 inHg

5:00 PM

Mostly cloudy

86° 💧 None 💨 4 mph H 57%29.97 inHg

6:00 PM

Light rain

83° 💧 0.01 in 💨 5 mph H 69%30.00 inHg

7:00 PM

Light rain

78° 💧 0.00 in 💨 6 mph H 76%30.03 inHg

8:00 PM

Light rain

75° 💧 0.01 in 💨 6 mph H 84%30.03 inHg

9:00 PM

Partly cloudy night

74° 💧 None 💨 5 mph H 85%30.06 inHg

10:00 PM

Partly cloudy night

74° 💧 None 💨 5 mph H 87%30.06 inHg

11:00 PM

Partly cloudy night

73° 💧 None 💨 5 mph H 87%30.09 inHg

Tuesday

12:00 AM

Partly cloudy night

73° 💧 None 💨 5 mph H 84%30.09 inHg

1:00 AM

Partly cloudy night

72° 💧 None 💨 5 mph H 85%30.09 inHg

2:00 AM

Clear night

70° 💧 None 💨 4 mph H 88%30.09 inHg

3:00 AM

Clear night

70° 💧 None 💨 4 mph H 88%30.09 inHg

4:00 AM

Clear night

69° 💧 None 💨 3 mph H 88%30.09 inHg

5:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 89%30.09 inHg

6:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 89%30.12 inHg

7:00 AM

Partly cloudy

69° 💧 None 💨 4 mph H 88%30.15 inHg

8:00 AM

Overcast

72° 💧 None 💨 5 mph H 81%30.18 inHg

9:00 AM

Overcast

77° 💧 None 💨 9 mph H 73%30.18 inHg

10:00 AM

Overcast

82° 💧 None 💨 12 mph H 60%30.18 inHg

11:00 AM

Mostly cloudy

84° 💧 None 💨 12 mph H 53%30.18 inHg

12:00 PM

Overcast

86° 💧 None 💨 12 mph H 51%30.18 inHg

1:00 PM

Overcast

88° 💧 None 💨 11 mph H 48%30.15 inHg

In Watertown 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 Watertown

TomorrowTomorrow

Light rain 108°/70° 💧 0.03 in 💨 9 mph

Sunday, Sep 6Sun Sep 6

Light rain 87°/68° 💧 0.01 in 💨 11 mph

Monday, Sep 7Mon Sep 7

Light rain 87°/64° 💧 0.04 in 💨 6 mph

Tuesday, Sep 8Tue Sep 8

Overcast 89°/69° 💧 None 💨 12 mph

Wednesday, Sep 9Wed Sep 9

Sunny 92°/69° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Light rain 93°/69° 💧 0.06 in 💨 6 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 90°/68° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 80°/66° 💧 0.85 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 96°/70° 💧 0.25 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Light rain 76°/65° 💧 0.16 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Sunny 81°/57° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 94°/67° 💧 0.35 in 💨 13 mph

Thursday, Sep 17Thu Sep 17

Light rain 81°/71° 💧 0.19 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Light rain 75°/62° 💧 0.08 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Sunny 74°/52° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Watertown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Watertown

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 7,1µg/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 7,8µg/m³

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

O₃ Ozone Moderate 112,8µg/m³

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

NO₂ Nitrogen dioxide Good 0,8µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Watertown

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 8,7Very high 😐Moderate

Tomorrow UV 8,6Very high 😐Moderate

Sunday UV 7,7High 😐Moderate

Monday UV 6,0High 🙂Fair

Tuesday UV 8,0Very high 🙂Fair

Wednesday UV 8,0Very high —Unavailable

Thursday UV 8,0Very high —Unavailable

Hourly UV index today

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

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

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 Watertown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.73 Population: 1,463

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Forecast data for Watertown were last refreshed today at 1:00 PM. The current forecast period extends through 06/09/2026 at 11:00 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.