San Juan Ostuncalco, GT Hourly Weather Forecast

Sun, Oct 18, 2026

Tonight

Sat 10/17

Low 53°f

11% Precip. / 0 in

Cloudy skies. Hazy. Low 53F. Winds light and variable.

Tomorrow

Sun 10/18

High 64°f

64% Precip. / 0.11 in

Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. Hazy. High 64F. Winds NE at 5 to 10 mph. Chance of rain 60%.

Sunrise 5:58 AM

Sunset 5:44 PM

Moonrise 12:40 PM

Moonset -

First Quarter, 51% visible

Hourly Forecast

Now

54°

2AM

54°

3AM

54°

4AM

54°

5AM

54°

5:58AM

Sunrise

6AM

54°

7AM

54°

8AM

57°

9AM

60°

10AM

62°

11AM

34%

62°

12PM

54%

63°

1PM

64%

64°

2PM

65%

63°

3PM

62%

63°

4PM

56%

61°

5PM

36%

60°

5:44PM

Sunset

6PM

58°

7PM

57°

8PM

56°

9PM

56°

10PM

56°

11PM

56°

12AM

34%

55°

1AM

33%

55°

Time	Conditions	Temp.	Feels Like	Precip	Amount	Cloud Cover	Dew Point	Humidity	Wind	Pressure
2:00 am	Cloudy	54°F	54°F	7%	0in	81%	53°F	94%	3 mph NE	29.94in
3:00 am	Cloudy	54°F	54°F	7%	0in	81%	52°F	95%	3 mph NE	29.93in
4:00 am	Cloudy	54°F	54°F	9%	0in	80%	53°F	95%	3 mph NNE	29.94in
5:00 am	Cloudy	54°F	54°F	9%	0in	88%	53°F	97%	3 mph NE	29.94in
6:00 am	Cloudy	54°F	54°F	6%	0in	87%	53°F	96%	3 mph NE	29.95in
7:00 am	Cloudy	54°F	54°F	6%	0in	85%	53°F	96%	3 mph NE	29.96in
8:00 am	Cloudy	57°F	57°F	12%	0in	93%	55°F	92%	4 mph NNE	29.96in
9:00 am	Cloudy	60°F	59°F	24%	0in	94%	55°F	84%	5 mph NNE	29.95in
10:00 am	Cloudy	62°F	61°F	24%	0in	93%	55°F	79%	7 mph NE	29.94in
11:00 am	Few Showers	62°F	62°F	34%	0.01in	92%	55°F	77%	7 mph NE	29.93in
12:00 pm	Scattered Thunderstorms	63°F	63°F	54%	0.02in	91%	55°F	76%	6 mph NE	29.9in
1:00 pm	Thunderstorms	64°F	64°F	64%	0.02in	87%	56°F	75%	7 mph NE	29.88in
2:00 pm	Thunderstorms	63°F	62°F	65%	0.02in	87%	56°F	78%	7 mph ENE	29.86in
3:00 pm	Thunderstorms	63°F	62°F	62%	0.02in	89%	55°F	77%	7 mph ENE	29.86in
4:00 pm	Showers	61°F	60°F	56%	0.02in	96%	55°F	81%	7 mph ENE	29.86in
5:00 pm	Showers	60°F	59°F	36%	0.01in	93%	55°F	83%	7 mph ENE	29.89in
6:00 pm	Cloudy	58°F	57°F	24%	0in	97%	54°F	89%	5 mph NE	29.92in
7:00 pm	Cloudy	57°F	56°F	20%	0in	96%	54°F	90%	5 mph NE	29.94in
8:00 pm	Cloudy	56°F	56°F	22%	0in	96%	54°F	90%	5 mph NE	29.96in
9:00 pm	Cloudy	56°F	56°F	16%	0in	95%	54°F	92%	4 mph NE	29.98in
10:00 pm	Cloudy	56°F	56°F	22%	0in	95%	54°F	91%	5 mph NE	29.98in
11:00 pm	Cloudy	56°F	55°F	24%	0in	83%	53°F	92%	4 mph NNE	29.98in

Additional Conditions

Pressure 29.95 in
Visibility 3 miles
Clouds Cloudy
Dew Point53°F
Humidity 94%
Rainfall 0 in
Snow Depth 0 in

MGQZ Station History

Almanac for

Forecast Average Record
Temperature
High 64°F -°F -°F
Low 53°F -°F -°F
Rain/Snow Depth
Precipitation 0.14 in - in -
Snow 0 in - in -

Almanac for

Forecast Average Record
Temperature
High 63°F -°F -°F
Low 53°F -°F -°F

Astronomy

Sun Rise Set
Actual Time 5:58 AM 5:44 PM
Civil Twilight 5:36 AM 6:06 PM
Nautical Twilight 5:11 AM 6:31PM
Astronomical Twilight 4:46 AM 6:56 PM

Length of Visible Light 12h 29m
Length of Day 11h 45m
Tomorrow will be 47 seconds shorter

Moon 12:40 PM -
First Quarter51% of the Moon is Illuminated

Oct 18

Waxing Half First Qtr

Oct 25

Full Moon

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

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