Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 75%

22:08

08:55

20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 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: 19:01 - 04:49

Total Clouds (% Sky Obscured)

53
55
65
47
40
30
31
24
16
0
0
0
0
0
17
15
6
13
23
30
49
75
78
66

Low Clouds (% Sky Obscured)

14
20
19
20
22
23
24
20
14
0
0
0
0
0
17
15
5
10
21
28
47
75
78
65

Medium Clouds (% Sky Obscured)

46
41
52
30
19
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
2

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
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
3
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
5
3
3
3
2
2
3
3
4
4
4
6
8
10
10
9
9
9
8
7
6
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
18
18
17
16
15
15
14
13
12
10
10
12
16
17
17
18
18
18
18
18
18
18
17

Relative Humidity (%)

74
81
88
82
77
75
73
70
65
61
56
53
49
61
62
63
64
66
70
75
79
84
85
82

Pressure (mb)

1018
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1017
1018
1019
1019
1019
1018
1017
1016
1016
1016
1016
1016
1016

Ozone (du)

301
301
301
302
300
300
299
299
297
294
291
289
288
285
284
284
284
285
287
289
291
290
290
290

Wednesday 2

Waning Gibbous 64%

23:15

09:39

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

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)

29
33
37
40
33
24
0
2
2
2
30
65
60
60
60
5
22
88
81
22
23
73
85
73

Low Clouds (% Sky Obscured)

27
31
32
33
30
20
0
1
0
0
0
0
0
0
0
0
0
0
17
14
18
25
44
31

Medium Clouds (% Sky Obscured)

4
2
2
6
0
0
0
0
0
0
6
55
60
60
49
0
0
0
14
0
0
0
1
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
17
45
45
45
45
3
19
83
74
1
0
35
45
55

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
2
13
76
44
31
38
19
9
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
4
5

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
1
2
3
4
4
4
5
5
5
5
7
14
14
14
13
14
13
12
13
12
13
14
13

Chance of Frost

Temperature (°C)

20
19
19
18
18
18
18
18
19
20
21
23
28
31
33
35
36
37
37
28
27
26
22
22

Feels Like (°C)

22
23
23
22
21
21
21
20
20
20
20
22
23
27
29
31
33
34
34
27
27
25
20
20

Dew Point (°C)

17
18
17
17
17
17
17
15
13
10
7
6
4
5
5
5
6
5
8
4
6
10
13
13

Relative Humidity (%)

85
91
91
90
93
92
90
85
70
52
40
32
21
20
17
15
14
14
17
20
25
36
54
54

Pressure (mb)

1016
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1009
1009
1008
1008
1007
1005
1003
1002
1003
1003
1003
1005
1006

Ozone (du)

290
288
288
286
286
286
286
286
288
288
289
290
288
288
288
286
286
285
284
283
283
284
285
288

Thursday 3

Waning Gibbous 52%

00:24

10:31

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
19 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: 19:02 - 04:47

Total Clouds (% Sky Obscured)

49
83
67
70
88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

39
40
52
57
68
73
63
66
87
79
66
92
80
83
90
62
71
70
72
80
83
80
78
75

Medium Clouds (% Sky Obscured)

11
19
24
24
38
66
83
83
50
60
48
100
100
100
100
100
100
100
99
98
97
47
33
23

High Clouds (% Sky Obscured)

5
60
41
45
75
100
100
89
100
100
100
100
92
100
100
100
100
100
83
67
50
53
42
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
2
2
2
6
6
6
5
5
7

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

Precipitation Probability (%)

7
3
4
4
7
19
20
21
42
57
88
95
95
95
95
95
95
95
74
67
68
81
81
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.2
3
8.3
5.5
3.4
1.6
0.8
0.3
0.3
0.2
0.4
0.4
0

Wind Speed/Direction (mph)

22
13
17
16
14
15
16
16
14
13
10
9
11
16
22
20
19
22
19
18
18
18
19
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
20
18
19
20
19
18
17
17
17
18
18
18
17
12
14
14
14
15
14
14
14
13
14

Dew Point (°C)

16
15
15
16
16
16
16
17
14
13
13
14
15
16
15
16
17
17
16
15
15
14
15
13

Relative Humidity (%)

73
66
68
69
71
70
71
80
70
68
68
71
73
82
83
90
93
90
83
81
81
81
83
77

Pressure (mb)

1008
1009
1010
1011
1012
1013
1013
1013
1014
1015
1017
1018
1020
1022
1023
1024
1025
1025
1026
1026
1027
1028
1029
1030

Ozone (du)

289
287
288
289
288
287
287
288
291
292
290
291
291
288
289
291
295
294
291
291
292
292
291
289

Friday 4

Third Quarter 40%

01:31

11:32

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
19 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
93
90
93
95
95
88
87
100
100
100
100
99
98
98
98
98
95
83
76
89
94
100
100

Low Clouds (% Sky Obscured)

78
80
83
80
75
70
60
68
71
86
90
92
94
95
96
96
95
92
80
76
89
89
86
80

Medium Clouds (% Sky Obscured)

25
35
38
46
51
60
60
60
60
55
54
54
53
57
52
47
44
37
34
36
21
21
25
27

High Clouds (% Sky Obscured)

42
51
2
2
2
6
28
26
63
51
39
4
18
6
5
6
7
7
6
1
1
18
50
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
41
34
30
46
49
37
38
33
32
37
33
27
30
28
11
17
5
5
9
7
20
9
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
12
12
11
9
9
7
7
6
5
4
4
3
3
3
3
5
8
7
7
7
6
5

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
15
15
15
15
16
16
16
17
17
17
18
18
18
18
18
18
17
17

Feels Like (°C)

14
13
14
13
13
13
14
14
14
14
15
15
15
16
16
17
17
17
17
17
17
17
17
17

Dew Point (°C)

12
11
11
10
10
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
13

Relative Humidity (%)

72
69
71
69
70
72
75
75
75
75
74
72
71
68
67
66
66
66
65
65
66
71
73
74

Pressure (mb)

1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1032
1032
1032
1032
1032
1031
1030
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

289
291
292
293
292
291
288
284
282
281
280
279
279
278
276
276
276
275
273
274
275
276
277
279

Saturday 5

Waning Crescent 29%

02:32

12:39

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
19 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: 19:03 - 04:45

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
45
28
24
15
13
21
23
33
56
78
77
86
93
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

30
32
34
41
45
47
43
43
49
58
85
93
86
86
87
92
95
99
99
98
98
97
96
95

High Clouds (% Sky Obscured)

75
65
100
98
96
95
84
98
100
99
99
98
100
100
100
91
83
74
81
90
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

1
13
2
6
16
5
9
12
8
26
32
29
32
40
36
45
46
45
50
65
65
55
60
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
3
3
3
3
3
4
4
4
5
2
2
3
2
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

17
17
17
16
16
15
15
15
15
15
16
16
17
17
18
18
18
18
18
18
18
18
17
17

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
12
12
12
12
12
12
12
12
12
13
15
16
16
17
17
16
16
16
16
16

Relative Humidity (%)

76
76
75
77
78
80
80
82
82
82
79
77
74
77
81
83
86
89
90
90
92
90
90
90

Pressure (mb)

1028
1028
1028
1028
1027
1027
1026
1027
1027
1027
1028
1029
1030
1030
1030
1030
1030
1029
1029
1029
1030
1030
1030
1031

Ozone (du)

279
281
283
284
284
286
285
285
286
288
290
291
291
292
293
294
295
295
295
293
292
290
287
285

Sunday 6

Waning Crescent 19%

03:26

13:49

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 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:03, Set: 17:44, Transit: 11:53. Moon - Rise: 03:26, Set: 13:49. Civil Dark: 18:08 - 05:39. Nautical Dark: 18:35 - 05:11. Astro Dark: 19:03 - 04:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
96
91
87
82
79
75
62
48
36
36
38
39

Low Clouds (% Sky Obscured)

98
95
92
93
94
95
94
93
91
78
64
51
49
47
45
48
48
46
32
18
4
5
6
8

Medium Clouds (% Sky Obscured)

89
84
78
71
68
58
62
62
62
53
42
31
33
40
42
44
46
48
41
36
30
28
27
23

High Clouds (% Sky Obscured)

100
100
100
74
49
26
28
27
30
31
27
30
26
28
22
18
15
9
6
3
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
8
6
5
5
5
5
6
8
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
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 (%)

51
50
39
32
37
39
37
38
47
48
40
28
36
35
17
13
12
2
3
1
0
0
0
0

Precipitation Amount (mm)

0
0.2
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)

4
4
3
3
3
3
4
4
4
4
5
5
5
6
8
10
10
11
13
13
14
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
15
15
15
15
16
16
15
15
15
15
14
14
14
14
14
14
15
14
14

Relative Humidity (%)

89
89
89
89
89
90
92
92
92
93
92
89
88
81
76
71
69
67
66
67
68
70
71
73

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1031
1031
1032
1031
1031
1031
1030
1029
1028
1027
1027
1027
1027
1028

Ozone (du)

282
282
282
281
282
283
284
282
281
279
280
280
281
281
281
281
281
280
279
279
278
277
277
277

Monday 7

Waning Crescent 10%

04:12

14:59

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

Sun - Rise: 06:02, Set: 17:44, Transit: 11:53. Moon - Rise: 04:12, Set: 14:59. Civil Dark: 18:08 - 05:38. Nautical Dark: 18:36 - 05:10. Astro Dark: 19:04 - 04:42

Total Clouds (% Sky Obscured)

30
20
10
12
14
16
15
12
11
8
4
0
6
12
18
11
5
0

Low Clouds (% Sky Obscured)

5
3
0
6
12
16
12
6
0
0
0
0
6
12
18
11
5
0

Medium Clouds (% Sky Obscured)

17
12
6
7
7
7
2
2
1
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
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
9

Fog (%)

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

Precipitation Probability (%)

0
0
0
1
0
0
1
0
0
1
0
0
3
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
8
7
6
6
5
5
4
4
4
5
5
8
10
13
14
15

Chance of Frost

Temperature (°C)

18
18
17
17
17
17
16
16
16
16
17
18
19
20
22
24
24
24

Feels Like (°C)

17
16
16
17
17
17
17
17
17
18
18
18
18
22
23
23
23
24

Dew Point (°C)

14
14
14
14
14
14
14
14
13
13
13
13
13
14
14
15
15
16

Relative Humidity (%)

75
77
79
82
82
83
85
83
83
82
77
73
69
65
60
57
58
60

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1026
1026
1025
1026
1026
1026
1026
1026
1025
1024
1024

Ozone (du)

277
277
277
277
276
276
275
275
275
275
275
275
275
276
276
276
278
279

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

Generated: 01/09/26 20:13:39. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+2.00