Observed 11:20 PM MST at KSJN

St. Johns, AZ weather

Mostly cloudy and 48°9°.

Mostly agree

Now 48°9°

Mostly cloudy

Wind: 3 mph5 km/h; From the west. Gusts to 26 mph41 km/h around 11 AM
Dew point: 45°7°; Comfortable
UV tomorrow: 6High; High 12–2 PM · peak 6

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

5°3° cooler than this time yesterday (53°12° then, 48°9° now)

Good hours for

Low 42°6° tomorrow at 6 AM
Above 50°10° tomorrow by 8 AM
Gusts to 29 mph47 km/h tomorrow 11 AM–4 PM
High 66°19° tomorrow at 1 PM
Below 50°10° tomorrow night after 8 PM

TonightDown to 43°6° by 5 AM · Clear
Tomorrow morningUp to 64°18° by 11 AM · rain chance 10% · gusts to 26 mph42 km/h · Clear
Tomorrow afternoonDown to 59°15° by 5 PM · rain chance 10% · gusts to 29 mph47 km/h · Clear
Tomorrow nightDown to 39°4° by 5 AM · Clear
Sunday morningUp to 60°16° by 11 AM · Clear
Sunday afternoonNear 61°16° · Clear
Sunday nightDown to 45°7° by 10 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Fri 11p	Clear	49°9° (likely 45°7° to 51°11°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	86%	12%	0
Sat 12a	Clear	48°9° (likely 43°6° to 50°10°)	48°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	89%	7%	0
Sat 1a	Clear	47°8° (likely 42°6° to 49°9°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	89%	3%	0
Sat 2a	Clear	45°7° (likely 41°5° to 48°9°)	45°7°	0%	2 mph3 km/h from SE, gusts 5 mph7 km/h	96%	9%	0
Sat 3a	Clear	44°7° (likely 39°4° to 47°8°)	44°7°	0%	1 mph2 km/h from SE, gusts 4 mph6 km/h	96%	4%	0
Sat 4a	Clear	44°7° (likely 39°4° to 46°8°)	44°7°	0%	0 mph0 km/h, gusts 4 mph6 km/h	96%	14%	0
Sat 5a	Clear	43°6° (likely 38°3° to 45°7°)	43°6°	0%	2 mph3 km/h from SE, gusts 4 mph7 km/h	96%	14%	0
Sat 6a	Clear	42°6° (likely 38°3° to 46°8°)	40°4°	0%	3 mph5 km/h from SE, gusts 5 mph8 km/h	100%	15%	0
Sat 7a	Sunny	43°6° (likely 39°4° to 48°9°)	41°5°	0%	3 mph5 km/h from SE, gusts 5 mph9 km/h	100%	16%	0
Sat 8a	Sunny	50°10° (likely 44°7° to 51°11°)	48°9°	5%	6 mph10 km/h from SE, gusts 5 mph8 km/h	80%	16%	1
Sat 9a	Sunny	56°13° (likely 52°11° to 56°13°)	56°13°	5%	9 mph14 km/h from S, gusts 12 mph20 km/h	62%	18%	2
Sat 10a	Sunny	61°16° (likely 58°14° to 63°17°)	61°16°	5%	13 mph21 km/h from S, gusts 17 mph27 km/h	50%	18%	4
Sat 11a	Sunny	64°18° (likely 61°16° to 66°19°)	64°18°	10%	15 mph24 km/h from S, gusts 26 mph41 km/h	41%	25%	5
Sat 12p	Sunny	65°18° (likely 63°17° to 68°20°)	65°18°	10%	16 mph26 km/h from S, gusts 28 mph44 km/h	38%	21%	6
Sat 1p	Sunny	66°19° (likely 64°18° to 69°21°)	66°19°	10%	17 mph27 km/h from S, gusts 28 mph46 km/h	37%	20%	6
Sat 2p	Sunny	65°18° (likely 64°18° to 68°20°)	65°18°	10%	17 mph27 km/h from S, gusts 29 mph46 km/h	37%	24%	5
Sat 3p	Sunny	64°18° (likely 62°17° to 67°19°)	64°18°	10%	17 mph27 km/h from S, gusts 25 mph40 km/h	40%	15%	4
Sat 4p	Sunny	61°16° (likely 59°15° to 66°19°)	61°16°	10%	17 mph27 km/h from S, gusts 22 mph35 km/h	44%	23%	2
Sat 5p	Mostly sunny	59°15° (likely 57°14° to 62°17°)	59°15°	5%	15 mph24 km/h from SW, gusts 16 mph26 km/h	45%	23%	1
Sat 6p	Mostly clear	55°13° (likely 53°12° to 57°14°)	55°13°	5%	13 mph21 km/h from SW, gusts 17 mph27 km/h	57%	17%	0
Sat 7p	Clear	51°11° (likely 50°10° to 55°13°)	51°11°	5%	8 mph13 km/h from W, gusts 18 mph28 km/h	68%	11%	0
Sat 8p	Clear	49°9° (likely 47°8° to 52°11°)	47°8°	5%	5 mph8 km/h from W, gusts 12 mph19 km/h	74%	8%	0
Sat 9p	Clear	47°8° (likely 45°7° to 49°9°)	47°8°	5%	0 mph0 km/h, gusts 7 mph12 km/h	76%	13%	0
Sat 10p	Mostly clear	45°7° (likely 43°6° to 48°9°)	45°7°	5%	0 mph0 km/h, gusts 4 mph7 km/h	82%	30%	0
Sat 11p	Mostly clear	44°7° (likely 41°5° to 46°8°)	44°7°	5%	0 mph0 km/h, gusts 5 mph8 km/h	86%	32%	0
Sun 12a	Clear	43°6° (likely 40°4° to 45°7°)	43°6°	5%	0 mph0 km/h, gusts 6 mph9 km/h	89%	20%	0
Sun 1a	Clear	42°6° (likely 39°4° to 45°7°)	42°6°	5%	0 mph0 km/h, gusts 6 mph9 km/h	93%	15%	0
Sun 2a	Clear	42°6° (likely 38°3° to 44°7°)	42°6°	5%	0 mph0 km/h, gusts 6 mph9 km/h	93%	16%	0
Sun 3a	Clear	41°5° (likely 37°3° to 43°6°)	41°5°	5%	0 mph0 km/h, gusts 6 mph10 km/h	93%	14%	0
Sun 4a	Clear	40°4° (likely 36°2° to 42°6°)	40°4°	5%	0 mph0 km/h, gusts 6 mph10 km/h	92%	14%	0
Sun 5a	Clear	39°4° (likely 36°2° to 42°6°)	39°4°	0%	0 mph0 km/h, gusts 7 mph11 km/h	92%	14%	0
Sun 6a	Clear	38°3° (likely 35°2° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 6 mph10 km/h	92%	15%	0
Sun 7a	Sunny	38°3° (likely 35°2° to 42°6°)	38°3°	0%	0 mph0 km/h, gusts 5 mph7 km/h	92%	14%	0
Sun 8a	Sunny	46°8° (likely 39°4° to 46°8°)	46°8°	0%	0 mph0 km/h, gusts 6 mph9 km/h	71%	17%	1
Sun 9a	Sunny	52°11° (likely 46°8° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 10 mph15 km/h	59%	19%	2
Sun 10a	Mostly sunny	56°13° (likely 51°11° to 56°13°)	56°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	51%	22%	4
Sun 11a	Mostly sunny	60°16° (likely 55°13° to 60°16°)	60°16°	0%	3 mph5 km/h from N, gusts 11 mph17 km/h	42%	40%	5
Sun 12p	Mostly sunny	62°17° (likely 57°14° to 62°17°)	62°17°	0%	6 mph10 km/h from NW, gusts 11 mph18 km/h	38%	30%	6
Sun 1p	Sunny	63°17° (likely 58°14° to 63°17°)	63°17°	0%	8 mph13 km/h from NW, gusts 13 mph21 km/h	38%	32%	6
Sun 2p	Sunny	62°17° (likely 59°15° to 63°17°)	62°17°	0%	9 mph14 km/h from NW, gusts 14 mph23 km/h	39%	24%	5
Sun 3p	Sunny	62°17° (likely 59°15° to 62°17°)	62°17°	0%	9 mph14 km/h from NW, gusts 14 mph23 km/h	39%	6%	4
Sun 4p	Sunny	61°16° (likely 58°14° to 61°16°)	61°16°	0%	9 mph14 km/h from NW, gusts 14 mph22 km/h	39%	3%	2
Sun 5p	Sunny	59°15° (likely 56°13° to 59°15°)	59°15°	0%	8 mph13 km/h from NW, gusts 13 mph20 km/h	42%	7%	1
Sun 6p	Mostly clear	54°12° (likely 51°11° to 55°13°)	54°12°	0%	6 mph10 km/h from N, gusts 11 mph17 km/h	52%	11%	0
Sun 7p	Mostly clear	51°11° (likely 47°8° to 54°12°)	51°11°	0%	2 mph3 km/h from N, gusts 5 mph9 km/h	61%	6%	0
Sun 8p	Clear	49°9° (likely 44°7° to 53°12°)	49°9°	0%	0 mph0 km/h, gusts 4 mph6 km/h	66%	2%	0
Sun 9p	Clear	47°8° (likely 41°5° to 52°11°)	47°8°	0%	0 mph0 km/h, gusts 4 mph7 km/h	71%	0%	0
Sun 10p	Clear	45°7° (likely 39°4° to 51°11°)	45°7°	0%	0 mph0 km/h, gusts 5 mph8 km/h	73%	0%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 23. Fog. High 68°20°, low 42°6°. Typical 70°21° / 36°2°. Rain 0.01 in0.3 mm, 40% chance. Mostly agree.
1. Overnight
  midnight–6 AM
  Clear, 43°6°
  Dry
Official NWS forecast
Tonight: Patchy fog between 3am and 5am. Mostly clear, with a low around 42. Southeast wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–70°21°
Low, likely
42°6°–49°9°
Typical high / low
70°21° / 36°2°
Wind
15 mph24 km/h, gusts 27 mph43 km/h
UV peak
6
Tomorrow, Oct 24. Mostly sunny. High 66°19°, low 38°3°. Typical 69°21° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Official NWS forecast
Day: A slight chance of showers and thunderstorms between 11am and 5pm. Sunny. High near 66, with temperatures falling to around 59 in the afternoon. South wind 3 to 17 mph, with gusts as high as 25 mph.
Night: Mostly clear, with a low around 38. Southwest wind 0 to 13 mph, with gusts as high as 18 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
64°18°–69°21°
Low, likely
38°3°–45°7°
Typical high / low
69°21° / 35°2°
Wind
22 mph36 km/h, gusts 31 mph50 km/h
UV peak
6
Sunday, Oct 25. Mostly sunny. High 63°17°, low 36°2°. Typical 69°21° / 35°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 63°17°
  Dry
3. Evening
  6 PM–midnight
  Clear, 49°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 37°3°
  Dry
Official NWS forecast
Day: Sunny, with a high near 63. Northeast wind 0 to 9 mph, with gusts as high as 17 mph.
Night: Mostly clear, with a low around 36. South wind 0 to 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
59°15°–63°17°
Low, likely
34°1°–41°5°
Typical high / low
69°21° / 35°2°
Wind
13 mph21 km/h, gusts 22 mph35 km/h
UV peak
6
Monday, Oct 26. Mostly sunny. High 67°19°, low 39°4°. Typical 69°21° / 34°1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 41°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 65°18°
  Dry
3. Evening
  6 PM–midnight
  Clear, 51°10°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 39°4°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 67. East wind 2 to 9 mph, with gusts as high as 16 mph.
Night: Mostly clear, with a low around 39. South wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
64°18°–67°19°
Low, likely
29°−2°–43°6°
Typical high / low
69°21° / 34°1°
Wind
8 mph13 km/h, gusts 14 mph23 km/h
UV peak
6
Tuesday, Oct 27. Sunny. High 70°21°, low 40°4°. Typical 68°20° / 34°1°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 44°7°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 53°12°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 38°3°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70. Southwest wind 3 to 9 mph, with gusts as high as 17 mph.
Night: Mostly clear, with a low around 40. South wind 2 to 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–70°21°
Low, likely
33°1°–45°7°
Typical high / low
68°20° / 34°1°
Wind
16 mph26 km/h, gusts 27 mph44 km/h
UV peak
5
Wednesday, Oct 28. Partly sunny. High 72°22°, low 42°6°. Typical 68°20° / 34°1°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 52°11°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72. Southwest wind 2 to 7 mph.
Night: Partly cloudy, with a low around 42. South wind around 6 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
30°−1°–47°8°
Typical high / low
68°20° / 34°1°
Wind
16 mph26 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 71°22°, low 45°7°. Typical 67°19° / 33°1°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 47°8°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 45°7°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 11am. Partly sunny, with a high near 71. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 45. South wind 3 to 8 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
32°0°–49°9°
Typical high / low
67°19° / 33°1°
Wind
14 mph22 km/h, gusts 25 mph40 km/h
UV peak
4
Friday, Oct 30. Drizzle. High 65°18°, low 44°7°. Typical 67°19° / 33°1°. Rain 0.11 in2.8 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 62°17°
  30% chance · 0.04 in1.1 mm
3. Evening
  6 PM–midnight
  Partly cloudy, 52°11°
  30% chance · 0.05 in1.2 mm
4. Overnight
  midnight–6 AM
  Clear, 46°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 65. Southwest wind 3 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
38°3°–49°9°
Typical high / low
67°19° / 33°1°
Wind
13 mph21 km/h, gusts 24 mph38 km/h
UV peak
2
Saturday, Oct 31. Cloudy. High 60°16°, low 44°7°. Typical 67°19° / 33°1°. Rain 0.16 in4.1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Mostly sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 53°12°
  20% chance
4. Overnight
  midnight–6 AM
  Drizzle, 48°9°
  30% chance · 0.03 in0.8 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–64°18°
Low, likely
38°3°–46°8°
Typical high / low
67°19° / 33°1°
Wind
16 mph25 km/h, gusts 36 mph57 km/h
UV peak
5
Sunday, Nov 1. Drizzle. High 56°13°, low 45°7°. Typical 66°19° / 32°0°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  30% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Drizzle, 55°13°
  40% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Mostly clear, 48°9°
  40% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
53°12°–60°16°
Low, likely
35°2°–52°11°
Typical high / low
66°19° / 32°0°
Wind
14 mph22 km/h, gusts 24 mph38 km/h
UV peak
2

10 days15 days30 days

The outlook

Today
Dry, high 68°, low 42°.
Tomorrow
Dry, high 66°, low 38°.
Sunday
Dry, high 63°, low 36°, cooling off.
Rest of week
Highs 56–72°; chance of precipitation on Friday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (FGZ) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Little Colorado River above Lyman Lake

13 mi

Below flood stage

Level: 3.6 ft
Flow: 117 cfs

Forecast peak 3.5 ft Fri 11 PM

Reading from Fri 9:15 PM · NWS gauge page

Little Colorado River near St Johns

3.5 mi

Below flood stage

Level: 8.8 ft

Reading from Fri 9:15 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 72% less heating than a typical week.

This week 27Typical 95

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F: 21
h below 17°F: 0
h below 5°F: 0

47, 17 and 5°F are the test points heat pumps are rated at. About 8 hours are near freezing and damp, when outdoor units defrost more often.

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Sat, 10:00 AM–4:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Saint Johns · official normals 1991–2020 · records 1901–2026

Oct 23, today vs a typical year

Today’s expected high is 2°1° colder than typical.

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

+1°SunOct 18
+5°+3°MonOct 19
+8°+4°TueOct 20
+13°+7°WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24

St. Johns weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 3 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 13 min less
Golden hour: 4:58–5:48 PM; Morning 6:14–7:04 AM
Blue hour: 5:48–5:58 PM; Morning 6:04–6:14 AM; first light 6:04 AM

Stars tonight? Good

Clear 11:39 PM–6:05 AM; moon 96% lit, sets 4:51 AM.

Moon

Waxing gibbous

95% lit · growing

Today: sets 3:47 AM · rises 4:01 PM
Full moon: Oct 25
New moon: Nov 9

Looking south from St. Johns. The highest point on the skyline is about 11,400 ft, 42 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.