Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 15

Waxing Crescent 20%

08:40

22:13

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

Sun - Rise: 05:52, Set: 17:48, Transit: 11:51. Moon - Rise: 08:40, Set: 22:13. Civil Dark: 18:12 - 05:28. Nautical Dark: 18:39 - 05:00. Astro Dark: 19:07 - 04:32

Total Clouds (% Sky Obscured)

62
42
92
92
92
90
40
12
8
11
2
2
2
2
0
2
2
6
6
4
10
56
6
5

Low Clouds (% Sky Obscured)

13
26
54
28
23
33
17
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
28
87
86
87
74
27
2
7
10
2
0
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

62
0
0
0
0
0
0
0
0
0
0
2
0
2
0
2
2
5
5
3
7
47
3
4

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 (%)

23
45
20
9
5
3
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)

10
11
12
12
8
7
7
5
4
4
4
4
4
3
3
4
4
3
3
3
3
2
1
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
18
17
18
18
17
17
18
17
17
16
16
15
15
15
14
14
14
13
13
13
14
13
13

Relative Humidity (%)

63
65
66
73
71
68
72
77
79
77
76
75
74
74
73
71
71
73
72
72
66
57
50
44

Pressure (mb)

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

Ozone (du)

313
309
296
292
290
289
288
287
286
286
287
287
286
286
286
285
285
287
287
286
286
286
285
285

Wednesday 16

Waxing Crescent 29%

09:22

23:12

11 Good
12 Good
13 Good
14 OK
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: 05:50, Set: 17:49, Transit: 11:50. Moon - Rise: 09:22, Set: 23:12. Civil Dark: 18:12 - 05:27. Nautical Dark: 18:40 - 04:59. Astro Dark: 19:08 - 04:31

Total Clouds (% Sky Obscured)

0
0
2
16
73
100
100
96
92
93
94
93
99
100
95
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
15
33
39
70
79
89
93
83
83
87
90
92
92
100
99
95
91
92
93
87
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
43
61
61
65
71
82
74
73
74
94
84
76
88
100
87
98

High Clouds (% Sky Obscured)

0
0
0
2
30
100
100
70
11
42
36
58
88
100
68
57
54
51
38
46
63
53
55
67

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
0
15
28
44
43
38
33
26
25
25
13
10
18
45
68
95
85
95
95
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.6
0
1.5
1.4
0

Wind Speed/Direction (mph)

7
8
12
23
24
23
20
19
17
17
16
14
13
12
12
11
9
9
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

26
26
26
25
24
23
22
22
21
20
20
19
19
19
19
19
19
18
18
18
17
17
17
17

Feels Like (°C)

27
27
26
20
20
18
18
18
18
17
17
16
16
16
16
17
17
16
16
16
15
16
16
16

Dew Point (°C)

14
15
16
18
18
19
18
18
17
16
16
15
14
14
13
12
11
11
11
11
11
11
12
13

Relative Humidity (%)

45
49
54
66
70
74
76
80
79
79
80
77
70
75
68
64
61
62
64
63
65
66
70
74

Pressure (mb)

1017
1017
1017
1017
1018
1019
1020
1022
1024
1025
1026
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1028
1027

Ozone (du)

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

Thursday 17

Waxing Crescent 38%

10:10

00:09

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: 05:49, Set: 17:49, Transit: 11:50. Moon - Rise: 10:10, Set: 00:09. Civil Dark: 18:13 - 05:25. Nautical Dark: 18:41 - 04:58. Astro Dark: 19:08 - 04:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
87
91
87
92
93
88
81
76
86
88
94
94
100
100
88
85
86
73
94
89
92
94
97

Medium Clouds (% Sky Obscured)

93
100
68
56
64
100
97
98
96
97
99
100
96
95
100
100
100
100
97
100
60
100
100
61

High Clouds (% Sky Obscured)

84
100
100
49
53
44
100
100
100
100
100
100
100
88
59
64
64
100
100
88
100
100
96
80

ISS Passover

Visibility (miles)

9
9
6
2
1
1
1
1
1
1
0
1
2
1
1
2
3
5
3
2
2
2
1
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.4
0.8
0.7
1.7
2.6
2.2
3.7
3
3
3.5
2.4
2.7
1.2
1.9
0.7
1.3
1.2
1.8
1.5
2.1
3.2
3.1
4.3
3

Wind Speed/Direction (mph)

10
9
8
7
9
10
9
9
11
11
10
9
8
8
9
10
10
11
13
12
15
13
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
17
17
16
16
15
15
15
15
15
15
15
15
16
15
14
13
13
12
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

74
74
79
86
92
93
93
96
95
96
96
96
96
95
95
92
93
92
92
92
92
92
93
93

Pressure (mb)

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

Ozone (du)

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

Friday 18

First Quarter 48%

11:01

01:02

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: 05:48, Set: 17:50, Transit: 11:49. Moon - Rise: 11:01, Set: 01:02. Civil Dark: 18:13 - 05:24. Nautical Dark: 18:41 - 04:56. Astro Dark: 19:09 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
72
58

Low Clouds (% Sky Obscured)

97
97
97
95
93
91
93
96
98
94
91
89
92
97
100
100
100
100
100
100
92
90
72
58

Medium Clouds (% Sky Obscured)

79
59
48
47
51
55
72
84
77
63
70
99
97
92
59
55
56
49
75
72
73
45
40
35

High Clouds (% Sky Obscured)

100
91
61
63
83
89
100
99
100
100
100
100
100
87
100
99
100
60
74
54
55
68
30
24

ISS Passover

Visibility (miles)

7
4
5
3
3
4
4
4
4
4
3
2
3
4
6
5
8
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
Moderate 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
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
73
41
43
32
18
32
24
12

Precipitation Amount (mm)

1.6
2.3
2.5
1.8
2
1.4
0.8
0.9
1.3
1.1
1.6
1.6
1.2
1.4
1.1
0.7
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
17
18
18
17
15
15
15
16
14
13
12
12
12
11
10
9
7
6
5
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
11
11
11
12
12
12
12
12
12
13
13
13
12
13
13
13
15
16
16
18
19
23

Dew Point (°C)

14
14
14
15
15
15
15
15
15
15
15
15
15
15
15
15
14
13
13
14
14
14
13
13

Relative Humidity (%)

90
90
92
92
93
93
93
93
92
92
93
95
93
95
92
90
86
82
81
83
81
76
70
63

Pressure (mb)

1027
1027
1026
1026
1026
1027
1028
1028
1029
1029
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

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

Saturday 19

Waxing Gibbous 58%

11:01

01:50

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: 05:47, Set: 17:50, Transit: 11:49. Moon - Rise: 11:01, Set: 01:50. Civil Dark: 18:14 - 05:23. Nautical Dark: 18:42 - 04:55. Astro Dark: 19:10 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
98
96
93
96
98
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
72
70
75
96
84
75
68
61
47
30
24
19
12
7
3
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

38
42
45
47
48
46
56
63
65
44
29
17
12
64
60
59
60
57
51
40
18
29
48
69

High Clouds (% Sky Obscured)

78
90
100
100
100
98
100
100
100
93
84
76
87
71
100
100
100
100
100
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 (%)

24
20
14
20
23
10
10
6
1
6
6
8
13
13
3
7
3
1
6
13
31
44
40
41

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)

4
6
6
7
7
5
4
4
4
4
4
4
4
3
3
3
3
3
4
3
2
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
14
15
16
17
18
18
18
18
17
17
17
17
16
16
16
16
16
15
15
15
14

Relative Humidity (%)

62
63
67
68
71
77
82
89
91
92
92
89
89
90
90
88
88
88
88
81
76
71
68
65

Pressure (mb)

1024
1023
1022
1021
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1019
1018
1018
1018
1017
1018
1018
1019
1018
1018

Ozone (du)

284
283
283
284
284
284
285
285
285
285
286
287
288
287
288
289
289
289
288
288
288
288
289
289

Sunday 20

Waxing Gibbous 67%

11:57

02:33

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: 05:46, Set: 17:51, Transit: 11:49. Moon - Rise: 11:57, Set: 02:33. Civil Dark: 18:14 - 05:22. Nautical Dark: 18:42 - 04:54. Astro Dark: 19:10 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
21
34
36
38
41
48
50
60
58
59
60
67
74
77
78
78
80
78
75
73
66
63
61

Medium Clouds (% Sky Obscured)

73
79
83
88
94
100
94
89
84
77
67
58
70
81
87
91
96
100
98
96
94
96
98
100

High Clouds (% Sky Obscured)

99
98
97
96
97
98
99
100
100
82
64
63
82
91
100
100
100
100
100
100
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
7
7
8
8
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

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

Precipitation Probability (%)

58
82
95
80
57
32
43
57
62
48
62
86
50
60
60
87
95
95
95
95
95
94
87
54

Precipitation Amount (mm)

0.2
0.6
1.1
0.6
0.2
0
0
0.2
0.3
0
0.2
1.1
0
0
0
0.4
0.8
1.4
1.2
1.2
0.6
0.5
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
64
65
68
71
76
82
84
85
88
88
88
89
88
88
86
89
92
95
92
88
85
81
79

Pressure (mb)

1018
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

289
290
291
293
293
293
294
292
291
290
289
287
285
285
284
283
283
282
282
281
280
280
279
278

Monday 21

Waxing Gibbous 76%

12:54

03:11

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

Sun - Rise: 05:44, Set: 17:51, Transit: 11:48. Moon - Rise: 12:54, Set: 03:11. Civil Dark: 18:15 - 05:20. Nautical Dark: 18:43 - 04:53. Astro Dark: 19:11 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
78
56
37

Low Clouds (% Sky Obscured)

64
70
73
66
59
52
62
73
85
82
80
77
80
80
80
75
64
58
49
42
37

Medium Clouds (% Sky Obscured)

100
99
99
91
82
71
79
88
100
100
100
100
92
77
61
61
67
72
63
56
37

High Clouds (% Sky Obscured)

98
96
93
87
77
69
80
90
100
100
100
100
100
100
100
100
100
100
77
45
17

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

74
75
63
95
95
95
95
95
95
95
95
79
92
95
95
95
95
95
95
82
61

Precipitation Amount (mm)

0.3
0.3
0
0.7
1
0.6
0.9
1.3
1.3
1
0.8
0
0.4
0.7
0.6
0.8
1.1
1
0.8
0.6
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
21
21
20
20
20
20
20
20
19
19
19
19
20
20
17
16
16
16
16

Dew Point (°C)

17
16
16
17
16
17
17
17
17
17
17
17
16
17
17
17
17
17
17
17
16

Relative Humidity (%)

74
76
77
81
82
85
88
89
89
90
89
89
88
90
92
95
93
93
95
90
88

Pressure (mb)

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

Ozone (du)

278
277
276
275
276
277
278
278
278
278
278
278
279
278
278
278
278
279
279
280
280

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

Generated: 15/09/26 11:46:29. Forecast: 15/09/26 to 21/09/26. Timezone: UTC+2.00