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Current weather in Nelson is clear sky.

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

Now · 7:06 AM

Nelson Weather & Hourly Forecast

United States · Arizona · 85653

82°F

Sunny

Feels like: 84°F

💧 Humidity 57% 🌡 Pressure 29.85 inHg 💨 Wind 6 mph 👁 Visibility 30.4 mi ☁ Clouds 2% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Nelson

Today

8:00 AM

Sunny

86° 💧 0.000 in 💨 6 mph H 49%29.85 inHg

11:00 AM

Sunny

96° 💧 0.001 in 💨 6 mph H 36%29.83 inHg

2:00 PM

Light thunderstorms

84° 💧 0.094 in 💨 9 mph H 57%29.83 inHg

5:00 PM

Strong thunderstorm

91° 💧 0.003 in 💨 6 mph H 43%29.74 inHg

8:00 PM

Mostly cloudy night

87° 💧 None 💨 8 mph H 54%29.80 inHg

11:00 PM

Overcast night

83° 💧 None 💨 7 mph H 59%29.85 inHg

Tomorrow

2:00 AM

Mostly cloudy night

81° 💧 None 💨 7 mph H 65%29.85 inHg

5:00 AM

Overcast night

78° 💧 None 💨 1 mph H 76%29.88 inHg

8:00 AM

Partly cloudy

82° 💧 0.001 in 💨 5 mph H 63%29.94 inHg

11:00 AM

Strong thunderstorm

92° 💧 0.000 in 💨 7 mph H 40%29.91 inHg

2:00 PM

Strong thunderstorm

97° 💧 None 💨 7 mph H 29%29.83 inHg

5:00 PM

Strong thunderstorm

94° 💧 0.000 in 💨 6 mph H 33%29.80 inHg

8:00 PM

Strong thunderstorm

88° 💧 0.000 in 💨 5 mph H 42%29.85 inHg

11:00 PM

Overcast night

85° 💧 None 💨 6 mph H 49%29.88 inHg

Wednesday

2:00 AM

Overcast night

82° 💧 None 💨 10 mph H 55%29.91 inHg

5:00 AM

Clear night

78° 💧 None 💨 5 mph H 66%29.91 inHg

Today

8:00 AM

Sunny

86° 💧 None 💨 6 mph H 49%29.85 inHg

9:00 AM

Sunny

90° 💧 None 💨 7 mph H 46%29.85 inHg

10:00 AM

Sunny

93° 💧 0.000 in 💨 6 mph H 41%29.85 inHg

11:00 AM

Sunny

96° 💧 0.000 in 💨 6 mph H 36%29.83 inHg

12:00 PM

Mostly sunny

99° 💧 None 💨 6 mph H 32%29.80 inHg

1:00 PM

Strong thunderstorm

100° 💧 0.001 in 💨 9 mph H 30%29.77 inHg

2:00 PM

Light thunderstorms

84° 💧 0.072 in 💨 9 mph H 57%29.83 inHg

3:00 PM

Light rain

89° 💧 0.019 in 💨 11 mph H 50%29.80 inHg

4:00 PM

Mostly sunny

91° 💧 0.003 in 💨 7 mph H 43%29.77 inHg

5:00 PM

Strong thunderstorm

91° 💧 0.001 in 💨 6 mph H 43%29.74 inHg

6:00 PM

Partly cloudy

90° 💧 0.001 in 💨 8 mph H 46%29.77 inHg

7:00 PM

Mostly cloudy night

87° 💧 None 💨 9 mph H 53%29.77 inHg

8:00 PM

Mostly cloudy night

87° 💧 None 💨 8 mph H 54%29.80 inHg

9:00 PM

Partly cloudy night

86° 💧 None 💨 10 mph H 54%29.83 inHg

10:00 PM

Mostly cloudy night

85° 💧 None 💨 8 mph H 56%29.85 inHg

11:00 PM

Overcast night

83° 💧 None 💨 7 mph H 59%29.85 inHg

Tomorrow

12:00 AM

Mostly cloudy night

82° 💧 None 💨 7 mph H 63%29.85 inHg

1:00 AM

Overcast night

81° 💧 None 💨 7 mph H 65%29.85 inHg

2:00 AM

Mostly cloudy night

81° 💧 None 💨 7 mph H 65%29.85 inHg

3:00 AM

Mostly cloudy night

80° 💧 None 💨 5 mph H 67%29.85 inHg

4:00 AM

Overcast night

78° 💧 None 💨 4 mph H 71%29.88 inHg

5:00 AM

Overcast night

78° 💧 None 💨 1 mph H 76%29.88 inHg

6:00 AM

Partly cloudy night

77° 💧 None 💨 5 mph H 76%29.88 inHg

7:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 72%29.91 inHg

8:00 AM

Partly cloudy

82° 💧 None 💨 5 mph H 63%29.94 inHg

9:00 AM

Mostly sunny

86° 💧 None 💨 6 mph H 54%29.94 inHg

10:00 AM

Partly cloudy

89° 💧 0.001 in 💨 8 mph H 46%29.94 inHg

11:00 AM

Strong thunderstorm

92° 💧 0.000 in 💨 7 mph H 40%29.91 inHg

12:00 PM

Strong thunderstorm

94° 💧 None 💨 7 mph H 35%29.88 inHg

1:00 PM

Strong thunderstorm

96° 💧 None 💨 7 mph H 31%29.85 inHg

2:00 PM

Strong thunderstorm

97° 💧 None 💨 7 mph H 29%29.83 inHg

3:00 PM

Mostly cloudy

97° 💧 None 💨 10 mph H 28%29.80 inHg

4:00 PM

Mostly cloudy

96° 💧 None 💨 9 mph H 30%29.80 inHg

5:00 PM

Strong thunderstorm

94° 💧 0.000 in 💨 6 mph H 33%29.80 inHg

6:00 PM

Mostly cloudy

93° 💧 0.000 in 💨 8 mph H 34%29.80 inHg

7:00 PM

Strong thunderstorm

90° 💧 None 💨 8 mph H 38%29.83 inHg

8:00 PM

Strong thunderstorm

88° 💧 None 💨 5 mph H 42%29.85 inHg

9:00 PM

Mostly cloudy night

88° 💧 None 💨 4 mph H 45%29.88 inHg

10:00 PM

Overcast night

86° 💧 0.000 in 💨 7 mph H 47%29.88 inHg

11:00 PM

Overcast night

85° 💧 None 💨 6 mph H 49%29.88 inHg

Wednesday

12:00 AM

Overcast night

84° 💧 None 💨 7 mph H 52%29.91 inHg

1:00 AM

Overcast night

83° 💧 None 💨 9 mph H 53%29.91 inHg

2:00 AM

Overcast night

82° 💧 None 💨 10 mph H 55%29.91 inHg

3:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 59%29.91 inHg

4:00 AM

Partly cloudy night

80° 💧 None 💨 7 mph H 63%29.91 inHg

5:00 AM

Clear night

78° 💧 None 💨 5 mph H 66%29.91 inHg

6:00 AM

Mostly clear night

77° 💧 None 💨 2 mph H 68%29.94 inHg

7:00 AM

Sunny

79° 💧 None 💨 4 mph H 65%29.97 inHg

8:00 AM

Sunny

83° 💧 0.000 in 💨 3 mph H 56%30.00 inHg

9:00 AM

Light thunderstorms

83° 💧 0.004 in 💨 8 mph H 55%30.00 inHg

10:00 AM

Sunny

87° 💧 0.001 in 💨 6 mph H 49%29.97 inHg

11:00 AM

Strong thunderstorm

90° 💧 0.001 in 💨 2 mph H 43%29.97 inHg

12:00 PM

Strong thunderstorm

92° 💧 0.002 in 💨 3 mph H 38%29.94 inHg

1:00 PM

Strong thunderstorm

94° 💧 0.001 in 💨 5 mph H 34%29.91 inHg

2:00 PM

Strong thunderstorm

96° 💧 0.000 in 💨 3 mph H 32%29.85 inHg

3:00 PM

Strong thunderstorm

96° 💧 None 💨 2 mph H 32%29.83 inHg

4:00 PM

Light thunderstorms

94° 💧 0.014 in 💨 7 mph H 35%29.83 inHg

5:00 PM

Light thunderstorms

88° 💧 0.067 in 💨 6 mph H 47%29.85 inHg

Thursday

2:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 77%29.97 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 5 mph H 79%29.97 inHg

8:00 AM

Sunny

78° 💧 None 💨 5 mph H 71%30.03 inHg

11:00 AM

Light rain

87° 💧 None 💨 7 mph H 52%30.00 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 4 mph H 47%29.94 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 2 mph H 46%29.91 inHg

8:00 PM

Partly cloudy night

81° 💧 None 💨 6 mph H 66%29.94 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 5 mph H 72%29.97 inHg

Friday

2:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 78%29.94 inHg

5:00 AM

Partly cloudy night

74° 💧 None 💨 4 mph H 78%29.94 inHg

8:00 AM

Partly cloudy

80° 💧 None 💨 4 mph H 65%29.97 inHg

11:00 AM

Sunny

90° 💧 None 💨 5 mph H 47%29.94 inHg

2:00 PM

Mostly sunny

93° 💧 None 💨 3 mph H 37%29.85 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 4 mph H 40%29.83 inHg

8:00 PM

Clear night

81° 💧 None 💨 6 mph H 61%29.85 inHg

11:00 PM

Clear night

76° 💧 None 💨 3 mph H 72%29.88 inHg

Saturday

2:00 AM

Clear night

75° 💧 None 💨 5 mph H 71%29.85 inHg

5:00 AM

Clear night

74° 💧 None 💨 6 mph H 69%29.85 inHg

8:00 AM

Sunny

80° 💧 None 💨 8 mph H 61%29.88 inHg

11:00 AM

Sunny

91° 💧 None 💨 7 mph H 37%29.85 inHg

2:00 PM

Sunny

95° 💧 None 💨 2 mph H 28%29.80 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 4 mph H 31%29.74 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 7 mph H 44%29.77 inHg

11:00 PM

Clear night

78° 💧 None 💨 5 mph H 56%29.83 inHg

Sunday

5:00 AM

Clear night

82° 💧 None 💨 6 mph H 40%29.83 inHg

11:00 AM

Sunny

77° 💧 None 💨 8 mph H 46%29.85 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 13 mph H 51%29.94 inHg

11:00 PM

Mostly clear night

87° 💧 None 💨 3 mph H 36%29.83 inHg

Monday

5:00 AM

Mostly clear night

75° 💧 None 💨 4 mph H 65%29.88 inHg

11:00 AM

Sunny

71° 💧 None 💨 5 mph H 69%29.88 inHg

5:00 PM

Sunny

87° 💧 None 💨 2 mph H 36%29.91 inHg

11:00 PM

Mostly clear night

89° 💧 None 💨 7 mph H 28%29.80 inHg

Tuesday

5:00 AM

Clear night

76° 💧 None 💨 4 mph H 58%29.88 inHg

11:00 AM

Sunny

69° 💧 None 💨 5 mph H 69%29.88 inHg

5:00 PM

Mostly sunny

88° 💧 None 💨 12 mph H 31%29.88 inHg

11:00 PM

Clear night

91° 💧 None 💨 10 mph H 25%29.74 inHg

Wednesday

5:00 AM

Clear night

80° 💧 None 💨 9 mph H 48%29.83 inHg

11:00 AM

Sunny

73° 💧 None 💨 6 mph H 56%29.85 inHg

5:00 PM

Partly cloudy

91° 💧 None 💨 12 mph H 28%29.88 inHg

11:00 PM

Mostly cloudy night

93° 💧 None 💨 6 mph H 21%29.77 inHg

Thursday

5:00 AM

Mostly clear night

82° 💧 None 💨 3 mph H 41%29.85 inHg

11:00 AM

Sunny

73° 💧 None 💨 3 mph H 60%29.88 inHg

5:00 PM

Mostly sunny

90° 💧 None 💨 9 mph H 30%29.91 inHg

11:00 PM

Clear night

95° 💧 None 💨 13 mph H 12%29.77 inHg

Friday

5:00 AM

Clear night

79° 💧 None 💨 3 mph H 51%29.88 inHg

11:00 AM

Sunny

73° 💧 None 💨 4 mph H 49%29.91 inHg

5:00 PM

Sunny

89° 💧 None 💨 4 mph H 28%29.91 inHg

11:00 PM

Clear night

95° 💧 None 💨 3 mph H 17%29.77 inHg

Saturday

5:00 AM

Clear night

83° 💧 None 💨 7 mph H 25%29.85 inHg

11:00 AM

Sunny

74° 💧 None 💨 3 mph H 35%29.88 inHg

5:00 PM

Partly cloudy

92° 💧 None 💨 3 mph H 30%29.91 inHg

11:00 PM

Mostly cloudy night

98° 💧 None 💨 5 mph H 19%29.80 inHg

Sunday

5:00 AM

Clear night

85° 💧 None 💨 2 mph H 30%29.85 inHg

11:00 AM

Sunny

77° 💧 None 💨 3 mph H 26%29.88 inHg

5:00 PM

Mostly cloudy

96° 💧 None 💨 1 mph H 27%29.85 inHg

11:00 PM

Partly cloudy night

100° 💧 None 💨 5 mph H 15%29.71 inHg

Monday

5:00 AM

Partly cloudy night

87° 💧 None 💨 3 mph H 23%29.74 inHg

11:00 AM

Mostly sunny

77° 💧 None 💨 5 mph H 32%29.74 inHg

5:00 PM

Partly cloudy

96° 💧 None 💨 8 mph H 22%29.74 inHg

11:00 PM

Partly cloudy night

99° 💧 None 💨 8 mph H 11%29.62 inHg

In Nelson and, more broadly, across the state of Arizona: This morning will be mostly sunny with a few clouds, and temperatures will rise quickly into the high 80s and low 90s. Expect the heat to build throughout the day, with highs reaching between 80 and 99 degrees Fahrenheit. Winds will be moderate from the south at up to 11 mph, with gusts reaching 13 mph. In the afternoon, there is a strong possibility of rain, with total accumulation around 0.2 inches. The rain may arrive suddenly, so be prepared for brief wet periods. The combination of hot temperatures and rain chances means conditions could feel quite humid at times. It’s advisable to stay hydrated and consider weather-ready plans if planning outdoor activities later today.

15-Day Weather Outlook for Nelson

TomorrowTomorrow

Strong thunderstorm 97°/77° 💧 None 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Light thunderstorms 96°/77° 💧 0.413 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 93°/76° 💧 0.004 in 💨 11 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 96°/75° 💧 0.001 in 💨 13 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 101°/78° 💧 0.003 in 💨 29 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 87°/75° 💧 0.165 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 89°/71° 💧 0.003 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 91°/69° 💧 0.001 in 💨 12 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 93°/73° 💧 0.001 in 💨 12 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 95°/73° 💧 None 💨 13 mph

Friday, Sep 25Fri Sep 25

Sunny 95°/73° 💧 None 💨 7 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 98°/74° 💧 None 💨 5 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 100°/77° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 99°/77° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Nelson

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Nelson

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 3,7µg/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 17,4µg/m³

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

O₃ Ozone Good 40,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Nelson

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 9,0Very high 😊Good

Tomorrow UV 6,1High 😊Good

Wednesday UV 4,8Moderate 😊Good

Thursday UV 7,0High 😊Good

Friday UV 8,0Very high 😊Good

Saturday UV 8,0Very high —Unavailable

Sunday UV 8,0Very high —Unavailable

Hourly UV index today

8:00 AMUV 1,0 9:00 AMUV 2,6 10:00 AMUV 5,2 11:00 AMUV 7,6 12:00 PMUV 9,0 1:00 PMUV 8,7 2:00 PMUV 5,8 3:00 PMUV 2,3 4:00 PMUV 1,8 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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Nelson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · NELSON, ARIZONA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

67/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 7:55 PM–4:46 AM

☁ Cloud cover 46% Real hourly forecast for the best viewing hour.

☾ Moonlight 12% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 10° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min18%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Nelson were last refreshed today at 6:21 AM. The current forecast period extends through 16/09/2026 at 5:00 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.