Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 28

Full Moon 99%

18:03

06:46

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

Sun - Rise: 06:13, Set: 17:39, Transit: 11:56. Moon - Rise: 18:03, Set: 06:46. Civil Dark: 18:03 - 05:49. Nautical Dark: 18:30 - 05:22. Astro Dark: 18:58 - 04:54

Total Clouds (% Sky Obscured)

5
0
0
0
0
7
10
13
18
20
3
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

Medium Clouds (% Sky Obscured)

5
0
0
0
0
7
9
12
15
18
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
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
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
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
12
11
10
9
8
7
6
6
6
5
5
5
6
7
9
11
14
16
18
18
18

Chance of Frost

Temperature (°C)

24
22
22
21
20
19
19
18
18
17
17
17
16
16
16
19
21
22
24
26
27
27
27
26

Feels Like (°C)

23
21
20
20
19
18
18
18
19
18
17
18
17
17
17
19
21
22
23
24
24
24
24
22

Dew Point (°C)

16
15
14
14
14
14
13
13
13
13
13
12
12
12
11
12
12
12
13
13
13
13
14
15

Relative Humidity (%)

62
63
63
64
68
70
70
71
72
73
74
74
74
74
71
63
57
53
47
43
42
42
46
50

Pressure (mb)

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

Ozone (du)

270
271
270
272
274
275
277
279
279
280
279
279
279
280
281
282
282
282
283
283
280
279
280
280

Saturday 29

Waning Gibbous 97%

19:01

07:15

17 Good
18 Good
19 Good
20 Good
21 OK
22 OK
23 Good
00 OK
01 Good
02 Good
03 OK
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

Sun - Rise: 06:12, Set: 17:39, Transit: 11:56. Moon - Rise: 19:01, Set: 07:15. Civil Dark: 18:03 - 05:48. Nautical Dark: 18:31 - 05:21. Astro Dark: 18:59 - 04:53

Total Clouds (% Sky Obscured)

0
3
13
4
28
47
14
34
5
4
27
69
54
44
49
72
100
100
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
27
69
49
24
25
34
36
42
30
38
47
73
57
86

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
4
0
6
12
3
6
0
0

High Clouds (% Sky Obscured)

0
2
10
4
25
37
14
26
4
4
4
4
13
11
21
51
100
100
77
100
100
100
100
100

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
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
2
3
1
1
2
1
0
0
2
3
18
23

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)

16
16
16
13
10
7
6
5
5
9
14
14
13
11
9
9
10
11
12
14
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
21
20
19
20
19
18
20
18
16
16
17
17
18
19
20
21
21
21
21
20
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

54
57
55
58
57
55
55
53
48
47
86
81
80
80
77
71
67
60
56
57
59
64
69
74

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1016
1017
1018
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019

Ozone (du)

281
282
282
283
286
288
288
287
289
288
288
289
290
290
291
290
289
287
286
286
285
286
286
287

Sunday 30

Waning Gibbous 91%

20:01

07:45

17 Bad
18 Bad
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

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: 18:31 - 05:19. Astro Dark: 18:59 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
99
100
99
100
100
100
95
100
100
98
99
74
82
86
89
99

Low Clouds (% Sky Obscured)

78
75
79
80
85
62
65
70
62
43
46
60
56
68
81
90
93
85
92
74
82
86
79
89

Medium Clouds (% Sky Obscured)

4
37
28
39
48
49
50
52
56
57
46
46
33
31
28
42
76
37
56
33
38
31
57
64

High Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
98
100
98
100
100
100
45
40
40
50
50
2
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
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

29
31
14
7
4
8
8
12
35
46
62
33
17
16
15
17
12
10
18
5
7
14
21
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
77
77
76
74
73
76
75
77
77
78
78
80
76
72
71
69
68
75
71
74
76
80

Pressure (mb)

1020
1021
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1022
1022
1022
1023
1023
1022
1022
1021
1020
1020
1020
1020

Ozone (du)

288
289
289
292
296
297
297
296
301
303
302
302
299
299
300
302
302
304
303
303
308
306
303
308

Monday 31

Waning Gibbous 84%

21:03

08:18

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

Sun - Rise: 06:10, Set: 17:40, Transit: 11:55. Moon - Rise: 21:03, Set: 08:18. Civil Dark: 18:04 - 05:46. Nautical Dark: 18:32 - 05:18. Astro Dark: 19:00 - 04:51

Total Clouds (% Sky Obscured)

97
96
97
98
98
98
93
88
83
74
68
60
53
36
8
21
39
34
36
7
16
41
52
77

Low Clouds (% Sky Obscured)

92
94
93
94
94
94
89
83
78
70
65
60
53
36
8
21
39
34
32
5
13
19
14
19

Medium Clouds (% Sky Obscured)

51
24
22
24
37
29
22
10
1
1
0
0
0
0
0
0
0
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
0
0
0
15
30
50

ISS Passover

Visibility (miles)

9
9
8
8
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 (%)

28
37
40
35
29
26
28
24
21
17
9
14
7
1
2
7
4
1
2
1
0
0
0
10

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
6
5
7
7
6
6
5
5
4
3
3
2
2
1
2
3
5
7
8
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
18
17
17
16
16
16
16
16
15
15
14
15
15
15
16
16
17
18
18
19
19
19

Relative Humidity (%)

81
85
88
88
85
84
84
84
82
82
81
80
79
80
80
75
73
70
68
72
71
73
78
80

Pressure (mb)

1021
1021
1022
1023
1023
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1023
1022
1021
1021
1019
1018
1017
1017
1017

Ozone (du)

309
310
310
310
309
309
306
305
303
300
299
298
297
296
295
296
297
298
299
299
296
296
296
297

Tuesday 1

Waning Gibbous 75%

22:08

08:55

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 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: 18:32 - 05:17. Astro Dark: 19:00 - 04:49

Total Clouds (% Sky Obscured)

67
50
50
52
56
49
57
30
30
35
40
45
39
35
30
68
72
80
71
64
57
63
72
77

Low Clouds (% Sky Obscured)

23
16
20
34
30
34
32
30
30
29
27
27
21
13
7
53
59
64
59
54
49
54
59
68

Medium Clouds (% Sky Obscured)

1
17
45
40
35
18
24
1
0
0
0
1
3
3
3
19
34
52
51
51
51
50
49
47

High Clouds (% Sky Obscured)

37
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
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 (%)

1
2
12
1
1
0
1
1
0
2
0
0
5
5
0
21
10
2
7
2
0
6
13
8

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)

7
5
5
3
2
2
3
3
2
3
4
7
11
12
12
13
11
11
12
11
11
11
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
20
19
19
19
19
18
17
16
16
15
15
16
17
17
15
15
15
14
14
15
15
15
16

Relative Humidity (%)

84
89
91
89
89
92
93
90
86
85
81
77
84
84
82
70
68
66
62
64
67
68
71
76

Pressure (mb)

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

Ozone (du)

299
301
302
303
302
301
300
298
297
295
293
293
292
291
290
289
289
289
289
289
289
288
288
288

Wednesday 2

Waning Gibbous 64%

23:15

09:39

17 Bad
18 Bad
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 OK
13 OK
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:08, Set: 17:41, Transit: 11:55. Moon - Rise: 23:15, Set: 09:39. Civil Dark: 18:05 - 05:44. Nautical Dark: 18:33 - 05:16. Astro Dark: 19:01 - 04:48

Total Clouds (% Sky Obscured)

87
93
100
99
97
96
89
85
79
79
77
74
78
78
78
77
76
80
54
35
18
39
59
79

Low Clouds (% Sky Obscured)

79
90
100
94
88
81
63
45
28
22
14
7
8
10
11
15
19
23
13
7
1
11
22
35

Medium Clouds (% Sky Obscured)

52
58
65
55
47
39
36
37
31
28
23
18
11
5
1
1
0
0
5
11
16
27
36
45

High Clouds (% Sky Obscured)

0
0
0
22
47
75
71
71
66
61
61
56
62
71
71
75
72
76
51
25
2
21
43
67

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
None
None
None

Precipitation Probability (%)

13
12
14
15
7
6
10
6
1
2
1
0
0
0
0
0
0
0
0
0
0
7
11
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)

6
5
3
3
3
3
3
4
4
5
4
3
3
2
3
5
7
9
12
12
12
13
11
11

Chance of Frost

Temperature (°C)

20
20
20
20
20
19
19
19
19
18
18
17
17
18
20
21
22
23
25
25
25
25
24
23

Feels Like (°C)

20
20
20
19
19
20
21
21
21
22
20
19
19
19
19
18
25
24
25
25
26
26
23
23

Dew Point (°C)

16
16
16
16
16
16
16
17
17
17
17
16
16
15
14
13
15
16
17
18
19
20
19
19

Relative Humidity (%)

78
80
80
80
81
81
82
85
89
92
92
92
92
80
70
61
62
62
63
66
68
72
74
78

Pressure (mb)

1021
1021
1021
1022
1021
1021
1021
1020
1018
1017
1017
1016
1015
1015
1015
1016
1015
1015
1015
1015
1014
1014
1015
1015

Ozone (du)

288
287
287
287
286
286
286
286
286
286
286
286
286
286
285
285
284
283
282
281
281
280
280
281

Thursday 3

Waning Gibbous 52%

00:24

10:31

17 Bad
18 Bad
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: 06:06, Set: 17:42, Transit: 11:54. Moon - Rise: 00:24, Set: 10:31. Civil Dark: 18:06 - 05:43. Nautical Dark: 18:33 - 05:15. Astro Dark: 19:01 - 04:47

Total Clouds (% Sky Obscured)

86
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

49
68
82
73
64
55
66
79
92
92
92
92
95
97
100
99
98
97
97
97
97

Medium Clouds (% Sky Obscured)

59
71
85
80
74
69
73
78
82
89
94
100
83
67
53
52
48
44
53
52
47

High Clouds (% Sky Obscured)

80
93
84
84
86
87
85
85
88
86
84
81
57
31
4
4
6
8
24
40
56

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

40
58
93
95
95
95
95
95
95
95
95
95
95
95
82
71
74
60
65
79
87

Precipitation Amount (mm)

0
0
0.8
0.8
0.9
0.5
0.7
1.4
1.5
2.1
2
1.2
1.5
1.1
0.4
0.3
0.4
0.2
0.3
0.4
0.5

Wind Speed/Direction (mph)

13
12
11
11
11
12
13
14
14
16
15
15
15
14
13
12
10
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
19
19
19
19
20
20
20
20
16
16
16
15
15
15
14
15
15
16
15

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
79
82
88
92
92
91
91
88
88
85
84
82
81
81
84
84
82
81

Pressure (mb)

1016
1018
1020
1022
1023
1024
1025
1026
1027
1028
1028
1029
1030
1030
1031
1032
1032
1033
1033
1033
1032

Ozone (du)

281
281
282
283
282
281
280
279
279
278
280
282
283
283
283
283
281
279
277
275
273

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

Generated: 28/08/26 17:54:35. Forecast: 28/08/26 to 03/09/26. Timezone: UTC+2.00