Scottsdale, AZ Weather
Scottsdale hourly forecast: next 24 hours
Today's high of 117°F (47°C) is about 13°F (7°C) above the typical August high of 104°F (40°C).
Current conditions in detail
Scottsdale weather tomorrow (Thursday, August 27)
Tomorrow in Scottsdale looks overcast, with a high of 106° and an overnight low of 94°. Rain is unlikely (8% chance). Winds top out near 12 mph, and the UV index reaches 10 (very high).
Scottsdale 14-day forecast
About the weather in Scottsdale
With 11.6 inches (294 mm) of annual precipitation, Scottsdale is one of the drier places we cover. July is the wettest month it gets, at 1.8 inches (47 mm), and the year runs between 65°F (18°C) and 106°F (41°C) by day.
Scottsdale weather: quick facts
- Hottest month: July - highs near 106°F (41°C)
- Coldest month: January - highs near 65°F (18°C)
- Decade extremes (2015-2024): 117°F (47°C) high · 28°F (-2°C) low
- Wettest month: July (5 rainy days) · Sunniest: June (13.2 h sun/day)
- Climate type: semi-arid
- Annual swing: 23°C between the average warmest and coolest month · day to night: 13°C
- Months averaging 30°C or hotter: 7
- Average humidity: 34%
Temperatures through the year
At its warmest, in July, Scottsdale runs to 106°F (41°C) in the afternoon and back to 85°F (29°C) by dawn. January sits at the other end of the year: 65°F (18°C) by day, 43°F (6°C) at night. The gridded 2015-2024 daily record for this location tops out at 117°F (47°C) and bottoms at 28°F (-2°C) - decade extremes, not all-time station records. The wettest month is July (1.8 inches (47 mm) across 5 days) and the driest May.
Rain, sun and snow
Between the average July and the average January lie 23°C, a wider spread than roughly 76% of the cities we track. Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is November through March. Days and nights are about 13°C apart on average - wider than 96% of the 3496 cities in our dataset.
Season by season
Spring (March through May)
Spring runs hot here - highs near 85°F (30°C), nights near 59°F (15°C), and precipitation is sparse, near 1.5 inches (38 mm) for the season. Daylight is generous - around 12.0 hours of sun a day.
Summer (June through August)
Summer in Scottsdale is punishingly hot, with daytime highs averaging 105°F (40°C) and nights around 82°F (28°C); rain comes on about 10 days over the three months. Daylight is generous - around 12.5 hours of sun a day.
Fall (September through November)
Through fall, Scottsdale sits firmly in the heat: 88°F (31°C) by day, 65°F (18°C) after dark, and precipitation is sparse, near 2.6 inches (66 mm) for the season. Daylight is generous - around 10.4 hours of sun a day.
Winter (December through February)
Winter in Scottsdale runs cool rather than cold, with daytime highs averaging 67°F (19°C) and nights around 45°F (7°C); rain comes on about 12 days over the three months.
Average temperatures in Scottsdale by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 65° | 43° | 5 | 1.5 in | 8.5 h/day | 54% |
| February | 70° | 46° | 4 | 1.3 in | 9.7 h/day | 45% |
| March | 76° | 51° | 4 | 1.2 in | 10.6 h/day | 37% |
| April | 86° | 60° | 1 | 0.2 in | 12.5 h/day | 21% |
| May | 93° | 67° | 1 | 0.1 in | 12.9 h/day | 19% |
| June | 104° | 79° | 1 | 0.2 in | 13.2 h/day | 17% |
| July | 106° | 85° | 5 | 1.8 in | 12.1 h/day | 31% |
| August | 104° | 83° | 5 | 1.4 in | 12.2 h/day | 35% |
| September | 99° | 77° | 3 | 0.9 in | 11.4 h/day | 32% |
| October | 89° | 64° | 2 | 0.9 in | 10.5 h/day | 31% |
| November | 76° | 53° | 2 | 0.7 in | 9.4 h/day | 35% |
| December | 66° | 45° | 4 | 1.2 in | 8.2 h/day | 48% |