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Current weather in Walnut Grove is broken clouds.

Where can I find the hourly weather forecast for Walnut Grove?

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

Is the weather forecast for Walnut Grove updated regularly?

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

Now · 2:53 PM

Walnut Grove Weather & Hourly Forecast

United States · Tennessee · 37048

97°F

Mostly cloudy

Feels like: 105°F

💧 Humidity 43% 🌡 Pressure 29.94 inHg 💨 Wind 2 mph 👁 Visibility 6.2 mi ☁ Clouds 70% ☀️ UV index 7.8 · High 🌅 Sunrise 6:19 AM 🌇 Sunset 7:12 PM

Hourly Forecast for Walnut Grove

Today

3:00 PM

Mostly cloudy

97° 💧 0.02 in 💨 2 mph H 43%29.94 inHg

6:00 PM

Moderate rain

89° 💧 0.14 in 💨 12 mph H 63%29.97 inHg

9:00 PM

Overcast night

74° 💧 None 💨 3 mph H 74%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 86%29.97 inHg

3:00 AM

Clear night

70° 💧 None 💨 5 mph H 84%29.97 inHg

6:00 AM

Clear night

69° 💧 None 💨 5 mph H 85%29.97 inHg

9:00 AM

Sunny

84° 💧 None 💨 3 mph H 67%30.03 inHg

12:00 PM

Sunny

93° 💧 None 💨 4 mph H 46%30.00 inHg

3:00 PM

Sunny

97° 💧 None 💨 5 mph H 39%29.94 inHg

6:00 PM

Sunny

93° 💧 None 💨 4 mph H 50%29.91 inHg

9:00 PM

Clear night

79° 💧 None 💨 4 mph H 56%29.94 inHg

Saturday

12:00 AM

Clear night

76° 💧 None 💨 4 mph H 65%29.91 inHg

3:00 AM

Clear night

73° 💧 None 💨 2 mph H 73%29.91 inHg

6:00 AM

Clear night

71° 💧 0.01 in 💨 3 mph H 75%29.91 inHg

9:00 AM

Light rain

82° 💧 0.01 in 💨 5 mph H 66%29.97 inHg

12:00 PM

Sunny

93° 💧 None 💨 5 mph H 45%29.94 inHg

Today

3:00 PM

Mostly cloudy

97° 💧 None 💨 2 mph H 43%29.94 inHg

4:00 PM

Light rain

97° 💧 0.01 in 💨 8 mph H 46%29.94 inHg

5:00 PM

Light rain

94° 💧 0.01 in 💨 8 mph H 51%29.94 inHg

6:00 PM

Moderate rain

89° 💧 0.09 in 💨 12 mph H 63%29.97 inHg

7:00 PM

Moderate rain

83° 💧 0.04 in 💨 5 mph H 71%29.97 inHg

8:00 PM

Light rain

75° 💧 0.01 in 💨 4 mph H 75%29.97 inHg

9:00 PM

Overcast night

74° 💧 None 💨 3 mph H 74%30.00 inHg

10:00 PM

Overcast night

72° 💧 None 💨 8 mph H 84%30.00 inHg

11:00 PM

Overcast night

71° 💧 None 💨 5 mph H 85%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

71° 💧 None 💨 5 mph H 86%29.97 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 4 mph H 84%29.97 inHg

2:00 AM

Clear night

71° 💧 None 💨 5 mph H 83%29.97 inHg

3:00 AM

Clear night

70° 💧 None 💨 5 mph H 84%29.97 inHg

4:00 AM

Clear night

70° 💧 None 💨 4 mph H 85%29.97 inHg

5:00 AM

Clear night

70° 💧 None 💨 5 mph H 85%29.97 inHg

6:00 AM

Clear night

69° 💧 None 💨 5 mph H 85%29.97 inHg

7:00 AM

Sunny

71° 💧 None 💨 3 mph H 84%30.00 inHg

8:00 AM

Sunny

78° 💧 None 💨 2 mph H 76%30.00 inHg

9:00 AM

Sunny

84° 💧 None 💨 3 mph H 67%30.03 inHg

10:00 AM

Sunny

89° 💧 None 💨 4 mph H 58%30.03 inHg

11:00 AM

Sunny

92° 💧 None 💨 4 mph H 51%30.03 inHg

12:00 PM

Sunny

93° 💧 None 💨 4 mph H 46%30.00 inHg

1:00 PM

Sunny

94° 💧 None 💨 5 mph H 43%30.00 inHg

2:00 PM

Sunny

96° 💧 None 💨 5 mph H 41%29.97 inHg

3:00 PM

Sunny

97° 💧 None 💨 5 mph H 39%29.94 inHg

4:00 PM

Sunny

98° 💧 None 💨 5 mph H 39%29.91 inHg

5:00 PM

Sunny

97° 💧 None 💨 5 mph H 41%29.91 inHg

6:00 PM

Sunny

93° 💧 None 💨 4 mph H 50%29.91 inHg

7:00 PM

Sunny

85° 💧 None 💨 3 mph H 54%29.91 inHg

8:00 PM

Clear night

82° 💧 None 💨 2 mph H 55%29.91 inHg

9:00 PM

Clear night

79° 💧 None 💨 4 mph H 56%29.94 inHg

10:00 PM

Clear night

78° 💧 None 💨 4 mph H 59%29.94 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 62%29.91 inHg

Saturday

12:00 AM

Clear night

76° 💧 None 💨 4 mph H 65%29.91 inHg

1:00 AM

Clear night

74° 💧 None 💨 3 mph H 67%29.91 inHg

2:00 AM

Clear night

74° 💧 None 💨 4 mph H 71%29.94 inHg

3:00 AM

Clear night

73° 💧 None 💨 2 mph H 73%29.91 inHg

4:00 AM

Clear night

72° 💧 None 💨 1 mph H 73%29.91 inHg

5:00 AM

Clear night

71° 💧 None 💨 2 mph H 74%29.91 inHg

6:00 AM

Clear night

71° 💧 None 💨 3 mph H 75%29.91 inHg

7:00 AM

Sunny

73° 💧 None 💨 5 mph H 75%29.94 inHg

8:00 AM

Light rain

79° 💧 0.01 in 💨 5 mph H 72%29.94 inHg

9:00 AM

Light rain

82° 💧 0.01 in 💨 5 mph H 66%29.97 inHg

10:00 AM

Sunny

86° 💧 None 💨 4 mph H 58%29.97 inHg

11:00 AM

Sunny

90° 💧 None 💨 5 mph H 50%29.97 inHg

12:00 PM

Sunny

93° 💧 None 💨 5 mph H 45%29.94 inHg

1:00 PM

Mostly sunny

95° 💧 None 💨 6 mph H 42%29.91 inHg

2:00 PM

Sunny

95° 💧 None 💨 7 mph H 40%29.88 inHg

3:00 PM

Sunny

96° 💧 None 💨 5 mph H 39%29.88 inHg

4:00 PM

Sunny

96° 💧 None 💨 6 mph H 38%29.85 inHg

5:00 PM

Sunny

95° 💧 None 💨 5 mph H 40%29.85 inHg

6:00 PM

Mostly sunny

90° 💧 None 💨 10 mph H 48%29.85 inHg

7:00 PM

Light rain

71° 💧 0.01 in 💨 15 mph H 78%29.85 inHg

8:00 PM

Overcast night

75° 💧 None 💨 6 mph H 60%29.85 inHg

9:00 PM

Overcast night

76° 💧 None 💨 3 mph H 56%29.88 inHg

10:00 PM

Overcast night

73° 💧 None 💨 3 mph H 63%29.91 inHg

11:00 PM

Overcast night

73° 💧 None 💨 1 mph H 61%29.88 inHg

Sunday

12:00 AM

Overcast night

72° 💧 None 💨 4 mph H 63%29.88 inHg

1:00 AM

Mostly cloudy night

71° 💧 None 💨 6 mph H 67%29.88 inHg

2:00 AM

Clear night

71° 💧 None 💨 6 mph H 72%29.88 inHg

3:00 AM

Clear night

70° 💧 None 💨 3 mph H 77%29.88 inHg

4:00 AM

Clear night

70° 💧 None 💨 2 mph H 81%29.88 inHg

5:00 AM

Clear night

69° 💧 None 💨 3 mph H 84%29.88 inHg

6:00 AM

Clear night

69° 💧 None 💨 4 mph H 88%29.88 inHg

7:00 AM

Sunny

70° 💧 None 💨 4 mph H 89%29.91 inHg

8:00 AM

Sunny

74° 💧 None 💨 4 mph H 81%29.91 inHg

9:00 AM

Sunny

79° 💧 None 💨 6 mph H 72%29.91 inHg

10:00 AM

Sunny

83° 💧 None 💨 7 mph H 63%29.94 inHg

11:00 AM

Sunny

86° 💧 None 💨 9 mph H 57%29.94 inHg

12:00 PM

Sunny

88° 💧 None 💨 9 mph H 53%29.91 inHg

1:00 PM

Sunny

89° 💧 None 💨 10 mph H 49%29.91 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 9 mph H 42%29.88 inHg

3:00 PM

Mostly sunny

91° 💧 None 💨 9 mph H 40%29.88 inHg

4:00 PM

Sunny

91° 💧 None 💨 9 mph H 39%29.88 inHg

5:00 PM

Sunny

89° 💧 None 💨 8 mph H 41%29.85 inHg

6:00 PM

Mostly sunny

86° 💧 None 💨 9 mph H 49%29.88 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 56%29.88 inHg

8:00 PM

Clear night

77° 💧 None 💨 7 mph H 59%29.88 inHg

9:00 PM

Clear night

75° 💧 None 💨 7 mph H 63%29.88 inHg

10:00 PM

Clear night

73° 💧 None 💨 6 mph H 66%29.91 inHg

11:00 PM

Partly cloudy night

73° 💧 None 💨 7 mph H 66%29.94 inHg

Monday

12:00 AM

Mostly clear night

71° 💧 None 💨 8 mph H 68%29.97 inHg

1:00 AM

Partly cloudy night

69° 💧 None 💨 8 mph H 67%29.94 inHg

2:00 AM

Mostly clear night

68° 💧 None 💨 7 mph H 66%29.94 inHg

3:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 68%29.94 inHg

4:00 AM

Partly cloudy night

66° 💧 None 💨 6 mph H 70%29.94 inHg

5:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 70%29.97 inHg

6:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 71%29.97 inHg

7:00 AM

Mostly cloudy

65° 💧 None 💨 7 mph H 70%30.00 inHg

8:00 AM

Overcast

69° 💧 None 💨 7 mph H 64%30.00 inHg

9:00 AM

Overcast

74° 💧 None 💨 6 mph H 58%30.00 inHg

10:00 AM

Overcast

76° 💧 None 💨 4 mph H 55%30.03 inHg

11:00 AM

Overcast

77° 💧 None 💨 3 mph H 55%30.03 inHg

12:00 PM

Overcast

78° 💧 None 💨 5 mph H 54%30.03 inHg

1:00 PM

Overcast

81° 💧 None 💨 4 mph H 50%30.00 inHg

2:00 PM

Overcast

85° 💧 None 💨 4 mph H 45%30.00 inHg

In Walnut Grove and, more broadly, across the state of Tennessee: As the afternoon progresses into the evening, skies will remain mostly sunny with just a few clouds passing through. Temperatures will stay quite hot, ranging from the low 70s to the upper 90s. Moderate east winds will continue, with sustained speeds around 15 mph and gusts reaching up to 26 mph. There is a possibility of some rain during this time, with an expected accumulation of around 0.45 inches. Residents should be prepared for brief, scattered showers as the evening settles in, especially if rain moves through quickly. Overall, it will be a warm and breezy evening with the chance of light rain.

15-Day Weather Outlook for Walnut Grove

TomorrowTomorrow

Sunny 98°/69° 💧 None 💨 5 mph

Saturday, Sep 5Sat Sep 5

Light rain 96°/71° 💧 0.03 in 💨 15 mph

Sunday, Sep 6Sun Sep 6

Sunny 91°/69° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Overcast 88°/65° 💧 None 💨 8 mph

Tuesday, Sep 8Tue Sep 8

Overcast 92°/70° 💧 None 💨 10 mph

Wednesday, Sep 9Wed Sep 9

Sunny 98°/74° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 102°/78° 💧 None 💨 12 mph

Friday, Sep 11Fri Sep 11

Light rain 101°/75° 💧 0.04 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Light rain 101°/74° 💧 0.06 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Sunny 101°/78° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 100°/78° 💧 None 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Sunny 97°/75° 💧 None 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 91°/71° 💧 0.29 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 87°/69° 💧 0.27 in 💨 13 mph

Friday, Sep 18Fri Sep 18

Moderate rain 96°/71° 💧 0.24 in 💨 15 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Walnut Grove

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Walnut Grove

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 6,1µg/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 6,7µg/m³

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

O₃ Ozone Moderate 102,1µg/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.

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Walnut Grove

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 8,8Very high 😐Moderate

Tomorrow UV 8,6Very high 😐Moderate

Saturday UV 8,4Very high 🙂Fair

Sunday UV 7,4High 🙂Fair

Monday UV 8,0Very high 🙂Fair

Tuesday UV 8,0Very high —Unavailable

Wednesday UV 8,0Very high —Unavailable

Hourly UV index today

3:00 PMUV 5,3 4:00 PMUV 2,4 5:00 PMUV 0,5 6:00 PMUV 0,1 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 Walnut Grove

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.50 Population: 575

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Forecast data for Walnut Grove were last refreshed today at 2:53 PM. The current forecast period extends through 05/09/2026 at 12:00 PM. 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.