Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 91%

20:01

07:45

19 Bad
20 Bad
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

Sun - Rise: 06:11, Set: 17:40, Transit: 11:56. Moon - Rise: 20:01, Set: 07:45. Civil Dark: 18:04 - 05:47. Nautical Dark: 18:32 - 05:19. Astro Dark: 19:00 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
97
88
76
94
90
94
96
91

Low Clouds (% Sky Obscured)

46
54
55
50
50
49
53
65
66
74
68
70
81
76
62
73
80
86
75
84
90
93
93
87

Medium Clouds (% Sky Obscured)

11
19
21
27
26
19
29
52
59
48
22
19
17
17
32
16
14
4
2
1
6
8
21
17

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
65
49
4
0
50
1
1
0
0

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
1
8
32
60
71
4
2
3
3
2
2
1
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 (%)

24
24
16
17
9
9
16
16
23
22
24
14
18
5
10
14
6
13
4
13
19
22
24
30

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
4
3
2
2
2
2
2
2
3
3
3
2
4
6
6
8
9
10
11
11
8
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
16
16
16
16
16
16
16
16
17
17
16
16
16
16
16
17
18
18
18
18
18
18
18

Relative Humidity (%)

84
82
82
82
81
81
82
84
85
88
88
88
84
78
75
73
75
78
75
76
79
81
82
82

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1023
1023
1024
1023
1024
1023
1022
1021
1021
1021
1021
1022
1022

Ozone (du)

290
292
292
291
291
292
296
298
299
301
302
300
300
301
304
306
307
311
314
314
312
310
308
305

Monday 31

Waning Gibbous 84%

21:03

08:18

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

Sun - Rise: 06:10, Set: 17:41, Transit: 11:55. Moon - Rise: 21:03, Set: 08:18. Civil Dark: 18:05 - 05:46. Nautical Dark: 18:32 - 05:18. Astro Dark: 19:00 - 04:51

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
93
80
70
35
26
21
7
14
21
23
21
16
7
0
55
35
27
26

Low Clouds (% Sky Obscured)

98
100
100
100
100
100
93
80
69
27
20
14
5
11
16
15
14
12
5
0
0
0
4
7

Medium Clouds (% Sky Obscured)

38
64
22
18
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
35
24
18

High Clouds (% Sky Obscured)

2
25
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
8
0
0

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
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

39
48
42
34
27
7
5
4
3
2
5
1
1
0
0
0
0
0
0
0
1
0
0
0

Precipitation Amount (mm)

0
0.3
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)

7
6
5
4
4
2
2
3
4
4
4
4
4
4
5
5
7
9
9
9
8
6
5
2

Chance of Frost

Temperature (°C)

20
20
20
20
20
20
20
19
19
19
18
18
18
20
22
24
24
25
25
25
25
24
23
21

Feels Like (°C)

20
20
21
21
21
22
21
21
20
20
21
21
21
22
24
26
26
26
26
27
27
27
26
26

Dew Point (°C)

18
18
18
17
18
18
18
17
17
17
17
17
16
16
16
16
16
17
18
18
19
19
19
20

Relative Humidity (%)

85
85
85
84
85
86
86
86
88
89
90
90
88
79
69
61
60
62
64
65
69
74
80
91

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018
1018
1018
1018
1019

Ozone (du)

307
305
305
303
302
298
298
297
297
299
300
302
301
299
300
301
302
300
297
297
298
298
298
298

Tuesday 1

Waning Gibbous 75%

22:08

08:55

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

Sun - Rise: 06:09, Set: 17:41, Transit: 11:55. Moon - Rise: 22:08, Set: 08:55. Civil Dark: 18:05 - 05:45. Nautical Dark: 18:33 - 05:17. Astro Dark: 19:00 - 04:49

Total Clouds (% Sky Obscured)

27
36
59
78
78
72
75
69
58
44
6
16
12
48
50
49
40
26
25
32
40
66
67
72

Low Clouds (% Sky Obscured)

9
6
49
43
33
8
40
55
46
35
0
0
0
48
50
45
35
26
25
29
31
32
38
32

Medium Clouds (% Sky Obscured)

18
36
37
69
69
63
37
22
14
18
5
16
10
2
3
12
11
0
0
5
13
17
31
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
42
27
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7
7
8
9

Fog (%)

0
0
0
0
9
24
35
66
100
88
81
74
27
2
2
2
2
2
2
2
2
2
2
2

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 (%)

2
3
4
13
5
2
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
14

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)

2
0
2
3
3
3
2
3
3
3
3
3
3
4
8
9
10
10
9
9
8
8
6
4

Chance of Frost

Temperature (°C)

21
20
20
20
20
20
19
19
19
19
18
18
18
21
22
23
24
24
24
24
23
22
22
21

Feels Like (°C)

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

Dew Point (°C)

20
19
19
19
18
18
18
18
18
17
16
16
15
15
16
17
17
18
19
19
19
18
19
19

Relative Humidity (%)

94
93
93
92
91
92
92
92
91
88
88
88
80
71
68
67
67
68
70
71
74
78
84
89

Pressure (mb)

1020
1020
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1020
1020
1020
1019
1018
1017
1017
1017
1017
1018

Ozone (du)

298
298
298
298
299
298
299
299
297
296
294
293
293
292
291
290
290
289
287
286
286
286
288
287

Wednesday 2

Waning Gibbous 64%

23:15

09:39

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

Sun - Rise: 06:08, Set: 17:42, Transit: 11:55. Moon - Rise: 23:15, Set: 09:39. Civil Dark: 18:06 - 05:44. Nautical Dark: 18:33 - 05:16. Astro Dark: 19:01 - 04:48

Total Clouds (% Sky Obscured)

71
80
83
89
83
75
35
44
51
98
100
85
62
60
72
62
40
16
13
11
9
3
1
32

Low Clouds (% Sky Obscured)

32
34
36
37
32
26
20
15
10
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

66
72
53
45
59
64
24
14
7
0
52
56
49
48
57
45
27
11
11
10
8
3
0
32

High Clouds (% Sky Obscured)

2
49
49
70
62
53
4
22
42
98
100
71
62
55
52
54
36
7
5
3
1
0
0
0

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

2
5
4
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
0

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)

3
4
4
5
5
5
4
4
4
4
4
4
5
7
9
8
8
9
10
11
12
10
10
9

Chance of Frost

Temperature (°C)

21
20
20
19
19
19
19
19
19
19
20
20
22
25
28
30
32
32
33
33
31
30
29
28

Feels Like (°C)

22
21
21
20
20
20
20
21
21
21
18
19
20
23
24
26
27
29
30
29
27
27
25
24

Dew Point (°C)

19
19
18
18
18
17
17
17
15
13
9
7
6
3
3
4
5
4
3
6
10
10
12
8

Relative Humidity (%)

88
91
89
89
91
91
89
86
77
64
49
42
37
23
20
19
18
16
15
18
27
28
35
28

Pressure (mb)

1018
1018
1018
1017
1016
1016
1015
1013
1012
1012
1011
1011
1011
1010
1010
1010
1009
1008
1007
1005
1004
1004
1004
1004

Ozone (du)

287
286
286
286
287
289
290
291
291
292
292
292
292
292
292
291
291
290
290
289
287
286
286
285

Thursday 3

Waning Gibbous 52%

00:24

10:31

19 OK
20 Good
21 OK
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

Sun - Rise: 06:06, Set: 17:42, Transit: 11:54. Moon - Rise: 00:24, Set: 10:31. Civil Dark: 18:06 - 05:43. Nautical Dark: 18:34 - 05:15. Astro Dark: 19:01 - 04:47

Total Clouds (% Sky Obscured)

22
15
22
64
47
52
73
76
80
83
87
89
91
91
91
91
94
97
100
98
96
95
95
96

Low Clouds (% Sky Obscured)

0
6
13
19
28
36
41
42
35
56
26
23
49
56
53
49
51
53
55
48
40
37
50
66

Medium Clouds (% Sky Obscured)

19
9
14
19
17
8
10
1
0
55
61
71
77
81
74
65
73
82
93
85
77
69
64
59

High Clouds (% Sky Obscured)

0
4
2
38
16
18
40
45
40
40
50
50
40
39
41
53
63
73
82
69
57
45
40
30

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
8

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

0
0
1
1
4
2
0
3
8
4
7
14
13
30
52
17
31
46
48
53
37
48
52
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0.2
0

Wind Speed/Direction (mph)

8
4
12
13
14
13
12
11
12
13
14
15
15
15
13
13
13
13
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

28
26
23
22
21
22
22
22
22
22
22
22
22
23
22
23
24
23
23
22
22
21
21
20

Feels Like (°C)

24
25
19
19
18
20
20
20
20
20
20
19
20
20
19
20
20
20
20
18
20
21
21
20

Dew Point (°C)

5
6
15
16
15
15
16
18
17
17
16
16
16
16
15
15
15
14
14
13
14
15
17
17

Relative Humidity (%)

23
27
61
69
65
63
68
78
73
69
66
66
67
64
62
59
58
56
57
56
62
69
77
81

Pressure (mb)

1004
1005
1008
1010
1011
1012
1013
1013
1014
1015
1016
1017
1019
1020
1022
1022
1022
1022
1022
1022
1022
1023
1023
1024

Ozone (du)

285
285
284
283
283
283
283
283
285
286
286
286
286
288
287
287
287
286
286
285
285
286
286
286

Friday 4

Third Quarter 40%

01:31

11:32

19 Bad
20 Bad
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

Sun - Rise: 06:05, Set: 17:43, Transit: 11:54. Moon - Rise: 01:31, Set: 11:32. Civil Dark: 18:07 - 05:41. Nautical Dark: 18:34 - 05:14. Astro Dark: 19:02 - 04:46

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
97
95
92
89
87
84
83
82
79
75
70
67
70
75
78
80
80

Low Clouds (% Sky Obscured)

79
86
93
100
97
94
92
89
87
82
76
70
64
68
72
75
70
64
67
70
70
72
74
70

Medium Clouds (% Sky Obscured)

52
52
54
52
51
56
51
54
56
60
67
74
83
68
49
32
21
11
0
0
0
0
7
14

High Clouds (% Sky Obscured)

30
35
30
25
30
30
34
39
40
45
40
30
30
23
22
13
9
5
0
0
0
0
6
2

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

Very Light Rain
None
Very 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 (%)

53
50
59
59
55
54
46
49
48
42
47
48
52
55
51
43
38
33
31
36
40
41
48
63

Precipitation Amount (mm)

0.3
0
0.3
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)

9
7
7
6
6
5
5
5
4
4
4
4
5
6
6
7
8
9
10
11
10
9
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
88
91
91
91
89
89
89
89
89
91
91
91
86
83
80
80
79
79
83
85
88
89

Pressure (mb)

1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1022
1021
1020
1020
1019
1020

Ozone (du)

286
286
286
286
286
285
284
283
283
282
281
281
282
282
282
282
281
281
281
281
282
283
283
285

Saturday 5

Waning Crescent 29%

02:32

12:39

19 Bad
20 Bad
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

Sun - Rise: 06:04, Set: 17:43, Transit: 11:54. Moon - Rise: 02:32, Set: 12:39. Civil Dark: 18:07 - 05:40. Nautical Dark: 18:35 - 05:12. Astro Dark: 19:02 - 04:45

Total Clouds (% Sky Obscured)

81
83
85
86
87
87
88
81
76
68
73
79
86
89
93
96
95
94
92

Low Clouds (% Sky Obscured)

70
73
75
78
75
74
73
69
63
58
69
77
85
89
92
96
91
87
83

Medium Clouds (% Sky Obscured)

23
39
54
70
70
69
74
81
76
68
61
32
3
10
16
21
32
46
60

High Clouds (% Sky Obscured)

13
21
29
43
51
54
73
74
66
63
52
35
31
27
27
30
25
20
14

ISS Passover

Visibility (miles)

4
4
3
2
1
1
1
1
3
6
8
8
8
8
8
8
7
6
5

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

80
93
95
95
95
95
95
95
95
95
85
71
61
67
67
63
73
78
77

Precipitation Amount (mm)

0.3
0.5
0.7
0.9
0.8
0.8
0.7
0.7
0.8
1
0.5
0.3
0.2
0.3
0.3
0
0.3
0.4
0.3

Wind Speed/Direction (mph)

6
5
4
3
3
4
5
7
6
6
6
6
6
6
6
8
10
9
8

Chance of Frost

Temperature (°C)

20
20
20
20
20
19
19
19
19
19
18
19
19
19
19
19
19
20
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
93
93
95
95
95
96
95
93
92
92
92
91
91
91
91
89
88

Pressure (mb)

1020
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1020
1020
1020
1021
1021
1020

Ozone (du)

286
287
288
290
291
291
291
291
295
298
302
302
302
302
302
301
301
298
295

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

Generated: 30/08/26 19:16:06. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+2.00