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San Tan Valley weather

At 5:30 PM local time it was cloudy and 22°C (71°F). Real rain for 13 hours (65.5 mm total) — consider moving outdoor plans. Best months for weather: Feb–May, Oct–Nov. San Tan Valley sits 463 m (1,519 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Tan Valley, Arizona, United States.

San Tan Valley · Cloudy · 22°
Sat, Oct 31 · 5:30 PM
Reference footage
Angle 1/3

Current conditions

☁️
22°
Cloudy
Clouds
100%
Chance of rain
19%
Rain
0.0 mm/h

Hourly Forecast

Real rain for 13 hours (65.5 mm total) — consider moving outdoor plans

19%
☁️5 PM
54%
🌦️6 PM
60%
🌧️7 PM
72%
🌦️8 PM
96%
🌧️9 PM
92%
🌦️10 PM
85%
🌦️11 PM
85%
🌧️12 AM
90%
🌧️1 AM
93%
🌧️2 AM
88%
🌧️3 AM
76%
🌦️4 AM
69%
🌧️5 AM
67%
🌦️6 AM
73%
🌦️7 AM
72%
🌦️8 AM
78%
🌧️9 AM
78%
🌧️10 AM
84%
☁️11 AM
81%
🌦️12 PM
75%
🌦️1 PM
65%
☁️2 PM
41%
☀️3 PM
42%
☀️4 PM

Daily Forecast

S
M
T
W
T
F
S
Oct 18
19
20
21
22
23
24☁️25°13°
25🌤️26°11°
26🌤️28°11°
27☀️29°12°
28☀️28°12°
29☁️29°13°
30🌧️23°18°4.1 mm
31🌧️25°17°💧96%
Nov 1🌦️21°15°💧93%
2🌦️20°12°💧63%
3☁️22°14°
4☁️24°16°
5☁️24°16°
6☁️25°18°
7⛅25°17°
8☁️26°19°
9🌧️21°16°
10☁️22°15°
11☁️24°16°💧13%
12🌤️24°18°💧13%
13☀️26°17°💧13%
14☁️27°18°💧13%
15🌦️21°12°💧16%
16
17
18
19
20
21
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Best Time to Visit

Peak season Feb–May, Oct–NovOff season Jun–Aug

Fair32 mm
17°4°☁ 41%Jan
Peak28 mm
19°5°☁ 42%Feb
Peak19 mm
24°8°☁ 35%Mar
Peak9 mm
28°11°☁ 28%Apr
Peak6 mm
33°16°☁ 23%May
Off4 mm
39°22°☁ 18%Jun
Off48 mm
39°25°☁ 49%Jul
Off44 mm
38°24°☁ 43%Aug
Fair25 mm
36°21°☁ 27%Sep
Peak15 mm
30°15°☁ 25%Oct
Peak17 mm
23°9°☁ 32%Nov
Fair32 mm
17°3°☁ 43%Dec

About San Tan Valley weather

Is it raining in San Tan Valley right now?

No. It’s cloudy and 22° right now. Real rain for 13 hours (65.5 mm total) — consider moving outdoor plans.

What’s the weather like in San Tan Valley this week?

Over the next 7 days, expect highs of 20–25° and lows of 12–18°. Rain is likely on 3 of 7 days (Saturday, Sunday, Monday). The driest day looks like Tuesday.

Has it been raining in San Tan Valley lately?

In the past 7 days, San Tan Valley had 1 rainy day and 4.1 mm of rain in total.

What should I pack for San Tan Valley?

For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.

San Tan Valley weather by month

When is the best time to visit San Tan Valley?

Based on weather alone, the best time to visit San Tan Valley is Feb–May, Oct–Nov, according to NASA's 2001–2025 climate averages. Jun–Aug tends to be the least pleasant. Average highs run from 17°C (62°F) in December to 39°C (103°F) in June.

What is the rainiest month in San Tan Valley?

July is the wettest month, with about 48 mm (1.9 in) of rain on average. June is the driest, with about 4 mm (0.2 in).

What is the hottest month in San Tan Valley?

June is the warmest, with average highs of 39°C (103°F) and lows of 22°C (72°F). December is the coolest, with highs of 17°C (62°F) and lows of 3°C (38°F).

Does San Tan Valley have a rainy season?

Not a strong one. No month averages more than 150 mm of rain; the wettest is July at about 48 mm (1.9 in).

Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months

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Weather near San Tan Valley

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