Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 78%

22:28

09:17

21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:47, Set: 18:49, Transit: 11:48. Moon - Rise: 22:28, Set: 09:17. Civil Dark: 19:16 - 04:20. Nautical Dark: 19:49 - 03:47. Astro Dark: 20:24 - 03:12

Total Clouds (% Sky Obscured)

65
29
35
27
22
28
23
32
35
39
49
44
27
40
31
66
70
71
100
100
80
100
100
100

Low Clouds (% Sky Obscured)

25
22
29
20
17
24
21
23
30
38
44
40
27
37
28
46
47
55
47
56
69
93
89
91

Medium Clouds (% Sky Obscured)

34
5
2
4
0
0
0
6
1
1
0
0
0
0
0
0
0
1
23
92
48
95
100
97

High Clouds (% Sky Obscured)

25
1
0
2
2
1
1
2
0
0
0
0
0
0
0
60
55
60
100
100
57
68
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

13
0
0
0
0
0
0
0
0
1
1
1
0
0
0
2
7
35
46
42
68
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.7
2.2

Wind Speed/Direction (mph)

5
4
3
3
5
4
4
4
4
5
6
7
8
11
13
15
16
14
16
14
17
15
14
10

Chance of Frost

Temperature (°C)

24
23
23
22
22
22
22
22
22
23
25
27
28
29
30
29
29
28
27
26
25
24
23
22

Feels Like (°C)

25
24
26
25
24
25
25
24
24
26
27
29
30
31
31
30
29
29
27
26
24
25
23
23

Dew Point (°C)

20
20
19
19
19
18
18
18
18
18
18
18
18
20
22
22
22
22
22
23
23
22
21
21

Relative Humidity (%)

79
80
81
80
79
78
78
75
75
73
64
59
55
56
62
65
67
67
75
83
88
87
88
94

Pressure (mb)

1011
1011
1010
1010
1010
1009
1009
1009
1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1013
1014
1015

Ozone (du)

279
279
277
275
273
273
273
274
274
275
275
276
276
276
277
277
276
275
273
272
272
273
273
272

Tuesday 9

Waning Gibbous 68%

23:05

10:21

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:48, Set: 18:49, Transit: 11:48. Moon - Rise: 23:05, Set: 10:21. Civil Dark: 19:16 - 04:21. Nautical Dark: 19:49 - 03:47. Astro Dark: 20:25 - 03:12

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

80
77
84
98
82
82
87
90
86
87
99
100
94
92
94
93
96
94
93
91
98
100
97
71

Medium Clouds (% Sky Obscured)

100
44
88
59
61
52
46
41
44
43
45
70
74
70
55
78
71
56
60
82
76
61
46
54

High Clouds (% Sky Obscured)

100
100
100
87
69
57
75
52
55
23
2
1
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
8
8
6
9
9
8
3
4
3
3
3
3
2
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Moderate Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
51
57
60
53
43
38
42
49
68
65
53
49
60
67
69
75
71
68
79
69
58

Precipitation Amount (mm)

0.7
3.8
1.5
0
0
0
0.3
0.2
0
0
0
0.3
0.3
0
0
0.3
0.4
0.3
0.4
0.4
0.4
0.5
0.3
0.2

Wind Speed/Direction (mph)

8
11
14
14
12
11
10
8
7
7
6
6
6
5
6
7
10
9
9
9
10
11
9
8

Chance of Frost

Temperature (°C)

22
21
21
21
21
21
21
21
21
21
21
22
21
21
21
21
22
22
21
21
21
21
21
20

Feels Like (°C)

24
22
20
20
20
20
20
20
20
21
21
22
22
22
22
22
22
22
22
21
21
20
20
20

Dew Point (°C)

21
20
20
19
19
19
18
17
17
18
19
19
19
19
19
19
20
20
19
20
20
19
19
19

Relative Humidity (%)

95
94
93
89
88
88
85
81
79
82
84
83
85
88
85
85
91
89
88
89
89
89
91
89

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1020
1020
1020
1021
1020
1020
1020
1020
1020
1020
1021
1022
1022

Ozone (du)

274
274
273
272
272
271
272
272
272
272
273
272
271
270
269
270
270
270
269
268
269
269
269
270

Wednesday 10

Waning Gibbous 58%

23:36

11:20

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:48, Set: 18:50, Transit: 11:49. Moon - Rise: 23:36, Set: 11:20. Civil Dark: 19:17 - 04:21. Nautical Dark: 19:50 - 03:48. Astro Dark: 20:26 - 03:12

Total Clouds (% Sky Obscured)

98
96
95
97
99
100
98
100
99
88
84
68
70
66
71
54
42
32
44
56
50
52
66
71

Low Clouds (% Sky Obscured)

66
81
91
96
99
100
96
92
89
88
80
65
67
65
69
50
41
23
18
14
11
9
8
14

Medium Clouds (% Sky Obscured)

54
56
58
92
58
87
87
67
62
44
39
27
4
0
0
0
0
0
0
1
3
9
21
5

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
44
56
50
52
46
40

ISS Passover

Visibility (miles)

5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

52
38
27
22
26
26
27
26
21
13
12
4
3
1
1
0
0
0
0
0
3
8
7
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
3
2
2
3
3
4
6
7
8
10
12
17
19
20
22
23
23
22
23
21
20
16

Chance of Frost

Temperature (°C)

20
20
20
20
20
20
20
20
20
20
21
22
23
24
25
26
26
26
25
25
24
23
23
23

Feels Like (°C)

20
21
21
21
21
21
21
21
20
20
20
21
21
22
23
22
23
22
22
22
21
21
20
21

Dew Point (°C)

18
18
17
17
17
17
18
18
18
18
18
19
19
18
18
18
19
19
19
19
19
19
18
18

Relative Humidity (%)

88
88
85
85
86
86
86
86
89
88
86
85
80
68
64
64
63
65
67
70
74
75
74
72

Pressure (mb)

1023
1023
1023
1022
1021
1021
1020
1020
1021
1021
1021
1021
1020
1019
1018
1017
1016
1015
1015
1014
1013
1013
1013
1014

Ozone (du)

271
271
270
269
269
269
268
269
270
270
270
269
268
267
267
268
269
270
269
267
267
266
266
264

Thursday 11

Third Quarter 47%

00:04

12:16

21 Bad
22 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:48, Set: 18:51, Transit: 11:49. Moon - Rise: 00:04, Set: 12:16. Civil Dark: 19:18 - 04:21. Nautical Dark: 19:51 - 03:48. Astro Dark: 20:26 - 03:12

Total Clouds (% Sky Obscured)

69
28
13
5
0
4
2
41
60
70
51
58
95
97
98
63
100
100
100
79
100
100
100
99

Low Clouds (% Sky Obscured)

18
21
13
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
55
73
80
87

Medium Clouds (% Sky Obscured)

3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
15
27
58
55
25
24

High Clouds (% Sky Obscured)

28
3
0
0
0
2
2
23
46
63
51
58
93
97
98
63
100
100
100
79
99
100
100
81

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
18
58
74
79
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6

Wind Speed/Direction (mph)

17
13
11
8
8
7
7
7
6
6
8
10
12
12
12
12
15
16
12
14
17
14
13
13

Chance of Frost

Temperature (°C)

22
22
21
21
21
20
20
21
21
22
24
26
28
31
34
34
34
34
32
30
29
27
25
23

Feels Like (°C)

19
20
21
23
23
22
22
22
21
22
24
27
29
30
33
33
34
32
33
29
25
23
23
21

Dew Point (°C)

17
17
17
18
18
18
18
18
18
19
18
17
17
17
16
16
18
22
24
23
21
17
17
16

Relative Humidity (%)

73
76
79
84
85
86
88
86
86
80
70
59
49
41
35
33
39
48
60
66
64
55
60
63

Pressure (mb)

1013
1013
1012
1011
1010
1009
1009
1008
1008
1008
1008
1007
1006
1006
1005
1004
1003
1003
1003
1005
1006
1008
1009
1010

Ozone (du)

263
263
262
262
262
262
263
263
263
263
263
263
263
264
265
264
264
264
264
264
263
263
263
264

Friday 12

Waning Crescent 37%

00:31

13:11

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:48, Set: 18:51, Transit: 11:50. Moon - Rise: 00:31, Set: 13:11. Civil Dark: 19:18 - 04:21. Nautical Dark: 19:52 - 03:48. Astro Dark: 20:27 - 03:13

Total Clouds (% Sky Obscured)

97
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

90
91
76
58
41
17
3
0
0
0
0
1
2
2
2
2
2
12
25
41
56
72
88
91

Medium Clouds (% Sky Obscured)

25
26
19
13
6
17
29
100
92
100
100
96
93
89
77
66
57
52
47
40
46
52
59
57

High Clouds (% Sky Obscured)

61
38
42
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
4
4
3

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

52
9
39
35
1
1
1
2
10
18
27
16
11
3
9
13
11
23
38
51
57
70
79
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0.5

Wind Speed/Direction (mph)

12
10
7
5
3
1
2
3
4
3
3
2
2
3
4
6
8
10
9
9
8
9
11
13

Chance of Frost

Temperature (°C)

23
22
22
22
22
22
22
22
22
22
23
23
24
24
25
26
26
27
27
26
26
25
24
23

Feels Like (°C)

21
21
22
22
23
23
22
22
22
22
23
24
25
25
26
27
28
29
28
27
27
26
25
24

Dew Point (°C)

15
15
15
15
15
15
15
15
15
16
15
15
16
16
17
19
21
23
23
24
24
23
23
22

Relative Humidity (%)

62
63
64
65
65
64
66
67
67
67
61
61
61
60
62
66
70
76
82
86
91
91
92
92

Pressure (mb)

1011
1011
1011
1011
1010
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1011
1012
1013

Ozone (du)

264
265
265
265
265
266
267
267
267
266
266
266
266
266
266
266
266
266
266
266
266
266
267
267

Saturday 13

Waning Crescent 28%

00:58

14:06

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 04:49, Set: 18:52, Transit: 11:50. Moon - Rise: 00:58, Set: 14:06. Civil Dark: 19:19 - 04:22. Nautical Dark: 19:52 - 03:48. Astro Dark: 20:28 - 03:13

Total Clouds (% Sky Obscured)

99
98
98
98
99
98
98
98
99
99
100
96
92
86
87
86
87
89
91
93
95
97
98
82

Low Clouds (% Sky Obscured)

94
96
96
96
96
77
59
50
55
65
50
45
40
40
46
58
69
76
82
86
88
89
90
82

Medium Clouds (% Sky Obscured)

55
53
49
44
40
51
53
52
51
51
41
32
24
15
14
14
9
10
6
7
11
16
21
24

High Clouds (% Sky Obscured)

50
25
25
25
34
24
20
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
4
5
5
5
5
5
5
6
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

79
84
75
67
62
62
59
53
47
44
37
30
30
22
21
22
22
18
17
19
18
14
7
10

Precipitation Amount (mm)

0.4
0.5
0.4
0.3
0.3
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
15
14
13
12
10
9
8
8
7
7
7
7
6
6
8
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

23
22
22
21
21
21
21
21
20
20
21
21
21
22
23
23
23
23
23
23
22
22
22
22

Feels Like (°C)

22
22
21
21
21
22
20
19
19
19
20
20
21
22
23
22
22
23
24
23
23
22
22
22

Dew Point (°C)

22
21
20
20
20
19
19
19
18
18
19
19
19
19
19
19
19
19
18
18
18
18
18
18

Relative Humidity (%)

92
92
91
91
91
89
89
88
88
88
88
89
84
81
78
78
77
75
75
76
76
76
78
79

Pressure (mb)

1015
1016
1017
1017
1018
1018
1019
1020
1020
1021
1022
1022
1022
1022
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

267
268
268
269
270
271
272
272
273
273
272
272
272
272
272
272
272
272
271
271
270
270
270
270

Sunday 14

Waning Crescent 20%

01:25

15:01

21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
11 Good
12 Good
13 Good

Sun - Rise: 04:49, Set: 18:53, Transit: 11:51. Moon - Rise: 01:25, Set: 15:01. Civil Dark: 19:20 - 04:22. Nautical Dark: 19:53 - 03:49. Astro Dark: 20:29 - 03:13

Total Clouds (% Sky Obscured)

68
59
53
38
25
17
9
2
2
2
3
6
10
14
9
5
0

Low Clouds (% Sky Obscured)

68
59
53
38
25
17
9
0
0
0
0
6
10
14
9
5
0

Medium Clouds (% Sky Obscured)

26
26
19
13
6
5
4
2
2
2
3
3
2
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
6
5
5
2
3
3
2
2
2
0
1
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
5
5
6
6
6
7
9
10
12
13
15
16
17

Chance of Frost

Temperature (°C)

22
21
21
21
21
20
20
19
19
21
22
24
25
27
29
29
28

Feels Like (°C)

22
22
23
23
22
22
22
22
22
21
21
20
27
27
27
28
28

Dew Point (°C)

18
18
19
19
18
18
18
18
18
17
18
18
18
19
20
21
22

Relative Humidity (%)

80
83
87
85
86
88
88
89
89
80
74
69
65
62
59
62
66

Pressure (mb)

1021
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013

Ozone (du)

270
270
270
270
270
270
271
272
273
272
271
271
271
271
271
271
271

Forecast for Durban Central, eThekwini Metropolitan Municipality, South Africa (-29.86,31.02)

Generated: 08/12/25 21:16:41. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+2.00