Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:30

14:43

11 Good
12 OK
13 OK
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 05:48, Set: 17:50, Transit: 11:49. Moon - Rise: 04:30, Set: 14:43. Civil Dark: 18:14 - 05:24. Nautical Dark: 18:41 - 04:56. Astro Dark: 19:09 - 04:28

Total Clouds (% Sky Obscured)

18
19
21
55
51
51
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

18
19
21
26
26
33
77
91
92
88
96
95
93
92
94
99
87
97
100
99
100
97
89
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
18
17
12
25
16
15
23
34
40
46
54
41
41
50
50
45
43
37

High Clouds (% Sky Obscured)

0
0
0
55
51
51
72
67
62
100
100
100
100
100
100
100
100
100
100
100
67
93
85
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
9
9
8
9
9
9
9
8
9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
19
29
52
51
40
19
25
24
27
21
26
29
32
28
25
31
31
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
11
11
12
13
14
13
11
10
10
10
10
9
8
7
7
7
7
6
6
5
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
57
58
61
68
73
74
76
81
80
75
75
77
80
80
81
81
81
81
78
77
75
75

Pressure (mb)

1018
1018
1017
1017
1017
1018
1019
1020
1021
1023
1024
1024
1025
1025
1025
1024
1024
1025
1026
1027
1027
1028
1028
1028

Ozone (du)

291
290
290
287
286
286
287
289
289
290
290
289
289
289
288
289
290
290
288
289
288
289
288
288

Friday 19

Waning Crescent 2%

05:00

15:44

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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 OK
06 OK
07 Bad
08 OK
09 Bad
10 Bad

Sun - Rise: 05:46, Set: 17:50, Transit: 11:49. Moon - Rise: 05:00, Set: 15:44. Civil Dark: 18:14 - 05:23. Nautical Dark: 18:42 - 04:55. Astro Dark: 19:10 - 04:27

Total Clouds (% Sky Obscured)

99
100
99
98
98
97
96
94
96
100
94
92
94
93
88
93
89
97
35
32
44
26
49
69

Low Clouds (% Sky Obscured)

97
100
96
96
96
94
92
89
92
100
91
75
72
77
81
82
32
17
13
12
16
18
21
13

Medium Clouds (% Sky Obscured)

36
28
20
16
16
12
18
20
23
24
26
33
35
43
79
72
78
94
24
22
34
4
34
51

High Clouds (% Sky Obscured)

80
100
45
45
2
2
0
0
0
0
0
0
0
0
0
0
0
0
2
5
2
4
5
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
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

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 (%)

26
24
23
18
16
18
21
28
33
33
25
19
17
9
8
2
0
0
1
2
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)

5
6
7
7
7
7
9
8
7
7
7
7
8
10
9
10
12
11
12
11
12
16
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
20
20
20
20
19
19
19
18
19
19
18
17
17
17
15
16
16
17
18
18
20
22

Dew Point (°C)

15
15
16
16
16
16
16
16
16
16
16
16
16
15
15
15
15
15
15
16
15
15
15
15

Relative Humidity (%)

71
70
73
75
76
76
75
77
78
81
84
84
82
81
81
80
80
83
85
88
82
74
66
57

Pressure (mb)

1028
1027
1027
1026
1026
1026
1026
1027
1027
1028
1028
1028
1027
1027
1027
1026
1024
1024
1024
1024
1023
1023
1022
1021

Ozone (du)

287
286
285
284
284
285
287
287
286
288
289
287
287
287
287
286
285
284
283
283
282
281
283
283

Saturday 20

Waning Crescent 2%

05:28

16:42

11 Good
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 05:45, Set: 17:51, Transit: 11:49. Moon - Rise: 05:28, Set: 16:42. Civil Dark: 18:15 - 05:21. Nautical Dark: 18:42 - 04:54. Astro Dark: 19:10 - 04:26

Total Clouds (% Sky Obscured)

9
64
63
79
66
91
78
76
80
98
100
100
90
100
100
64
81
81
97
46
86
76
66
56

Low Clouds (% Sky Obscured)

0
0
0
0
2
4
11
39
20
17
25
69
46
35
32
13
0
0
0
0
0
0
11
3

Medium Clouds (% Sky Obscured)

5
54
36
61
46
67
54
75
44
54
79
72
62
97
39
40
34
31
28
14
15
13
37
37

High Clouds (% Sky Obscured)

2
35
38
61
43
74
48
44
52
95
100
72
72
69
99
33
59
73
90
26
68
55
36
27

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

Precipitation Probability (%)

0
0
0
0
0
10
35
27
17
20
27
30
18
5
3
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
21
23
19
17
13
9
8
12
8
7
4
10
11
10
6
6
5
6
5
4
7
13
13

Chance of Frost

Temperature (°C)

26
27
27
26
25
25
24
23
22
22
22
21
21
21
21
21
20
20
20
20
21
23
23
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
54
62
68
83
82
84
88
89
89
89
89
89
89
91
91
92
93
92
89
81
72
73
69

Pressure (mb)

1020
1018
1017
1016
1016
1016
1016
1017
1017
1018
1019
1020
1019
1019
1018
1017
1017
1017
1016
1017
1018
1018
1019
1018

Ozone (du)

284
284
285
285
284
286
288
287
288
289
289
289
291
292
291
291
291
290
290
289
289
289
289
289

Sunday 21

New Moon 0%

05:55

17:38

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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 OK
06 OK
07 Good
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:44, Set: 17:51, Transit: 11:48. Moon - Rise: 05:55, Set: 17:38. Civil Dark: 18:15 - 05:20. Nautical Dark: 18:43 - 04:52. Astro Dark: 19:11 - 04:24

Total Clouds (% Sky Obscured)

48
85
84
79
100
100
99
98
99
96
92
78
92
82
70
63
58
54
37
19
3
67
85
100

Low Clouds (% Sky Obscured)

0
0
0
20
27
26
51
12
2
1
9
17
6
2
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
36
30
20
53
65
69
71
78
61
50
47
45
39
33
25
17
9
6
3
0
0
0
0

High Clouds (% Sky Obscured)

38
61
84
79
100
100
97
85
91
84
78
65
81
81
70
63
58
54
37
19
1
43
73
100

ISS Passover

Visibility (miles)

9
9
9
9
7
4
1
8
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
3
29
36
95
53
27
15
18
11
1
4
3
1
5
8
3
3
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
1.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
14
13
7
9
4
3
1
4
3
4
4
3
3
3
3
4
5
7
11
14
14

Chance of Frost

Temperature (°C)

25
25
24
23
23
22
22
22
21
20
20
19
19
19
19
19
19
19
20
21
23
25
28
31

Feels Like (°C)

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

Dew Point (°C)

18
17
18
18
18
19
21
20
19
19
19
18
18
18
17
18
17
17
17
16
13
7
5
4

Relative Humidity (%)

66
63
68
71
72
83
91
89
89
89
92
92
93
93
91
92
89
88
84
74
53
30
23
18

Pressure (mb)

1018
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1012
1011
1010
1009
1009
1009
1009
1008
1008

Ozone (du)

288
288
289
288
288
288
288
289
289
289
290
289
288
287
288
289
288
288
288
289
289
289
289
289

Monday 22

Waxing Crescent 0%

06:21

18:33

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

Sun - Rise: 05:43, Set: 17:52, Transit: 11:48. Moon - Rise: 06:21, Set: 18:33. Civil Dark: 18:16 - 05:19. Nautical Dark: 18:43 - 04:51. Astro Dark: 19:11 - 04:23

Total Clouds (% Sky Obscured)

64
30
62
72
81
92
90
88
77
90
94
100
96
91
88
91
93
95
93
91
89
90
91
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
20
5
12
19
72
85
100
93
85
78
71
64
56
53
48
50
53
52
53

Medium Clouds (% Sky Obscured)

0
0
40
60
56
55
61
73
63
26
46
23
26
53
24
26
24
25
17
16
18
24
30
31

High Clouds (% Sky Obscured)

64
30
33
47
64
85
61
38
7
7
15
10
9
15
18
16
13
12
11
11
11
13
12
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
2
12
8
8
18
24
28
30
26
25
17
18
17
4
9
11
3
8
8
3

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)

8
11
11
22
21
19
17
14
16
16
16
13
12
9
8
7
6
5
4
3
3
4
5
7

Chance of Frost

Temperature (°C)

33
32
32
32
29
27
26
25
24
23
22
22
21
21
20
20
20
20
19
20
20
20
21
21

Feels Like (°C)

31
31
32
26
23
23
21
20
19
19
19
19
20
20
20
19
19
19
19
19
19
19
21
21

Dew Point (°C)

9
19
19
22
24
23
20
19
18
18
16
16
16
16
16
15
14
14
13
13
13
13
14
15

Relative Humidity (%)

22
44
46
58
72
75
70
68
68
73
68
69
73
75
76
72
70
69
68
66
62
62
63
65

Pressure (mb)

1008
1008
1007
1007
1009
1010
1011
1013
1014
1017
1018
1019
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023

Ozone (du)

289
288
287
286
286
287
287
288
288
287
286
286
288
287
287
287
287
286
286
285
285
284
285
285

Tuesday 23

Waxing Crescent 3%

06:49

19:28

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

Sun - Rise: 05:41, Set: 17:52, Transit: 11:48. Moon - Rise: 06:49, Set: 19:28. Civil Dark: 18:16 - 05:18. Nautical Dark: 18:44 - 04:50. Astro Dark: 19:12 - 04:22

Total Clouds (% Sky Obscured)

90
87
84
89
93
100
100
100
100
100
100
100
100
100
100
98
97
96
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

50
51
51
59
66
74
72
69
65
57
49
40
44
43
43
40
36
28
40
53
66
66
68
70

Medium Clouds (% Sky Obscured)

28
25
22
26
33
41
54
65
78
70
66
63
71
71
75
69
57
46
34
25
16
19
22
25

High Clouds (% Sky Obscured)

20
20
20
47
73
100
97
95
91
94
97
100
100
100
100
98
97
96
97
99
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 (%)

3
6
7
10
12
11
16
19
11
12
9
2
5
4
0
3
4
1
11
14
10
21
20
11

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)

9
9
10
11
11
11
11
11
11
10
8
8
8
6
5
4
5
10
13
11
12
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
67
66
69
71
72
72
75
76
76
76
76
75
75
73
73
72
71
70
70
70
67
64

Pressure (mb)

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

Ozone (du)

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

Wednesday 24

Waxing Crescent 7%

07:19

20:23

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

Sun - Rise: 05:40, Set: 17:53, Transit: 11:47. Moon - Rise: 07:19, Set: 20:23. Civil Dark: 18:17 - 05:16. Nautical Dark: 18:45 - 04:49. Astro Dark: 19:13 - 04:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
91
83
74
53
26
0
10
20
31

Low Clouds (% Sky Obscured)

75
82
87
88
89
89
93
96
100
100
100
100
87
74
61
41
20
0
3
6
9

Medium Clouds (% Sky Obscured)

21
18
15
16
17
18
13
17
16
21
25
30
30
30
35
17
8
0
2
5
7

High Clouds (% Sky Obscured)

100
100
100
90
84
66
54
28
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

26
38
38
46
49
51
75
87
74
79
67
34
38
35
42
29
30
36
32
17
1

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.6
0.2
0.5
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
17
17
17
17
17
15
13
12
11
11
10
9
7
6
5
4
4
5
6

Chance of Frost

Temperature (°C)

22
21
21
20
20
19
19
19
19
19
18
18
18
18
17
17
16
16
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
65
70
75
76
76
76
76
76
77
73
70
67
70
71
73
72
72
70
64
57

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1023
1024
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025

Ozone (du)

287
287
288
289
294
300
305
312
319
326
327
329
331
328
324
321
318
315
311
309
306

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

Generated: 18/09/25 11:25:33. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00