Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 6%

07:29

20:14

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 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK

Sun - Rise: 05:54, Set: 17:47, Transit: 11:51. Moon - Rise: 07:29, Set: 20:14. Civil Dark: 18:11 - 05:30. Nautical Dark: 18:38 - 05:03. Astro Dark: 19:06 - 04:35

Total Clouds (% Sky Obscured)

89
80
67
62
80
86
84
92
99
93
83
87
95
94
74
51
39
28
41
20
42
41
41
43

Low Clouds (% Sky Obscured)

85
73
54
58
66
80
77
88
99
90
77
80
91
90
72
48
35
28
23
15
12
11
10
6

Medium Clouds (% Sky Obscured)

25
20
19
0
0
0
0
0
0
21
41
51
35
21
11
4
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
9
75
75
0
0
0
0
0
0
0
0
0
0
8
0
41
10
42
41
41
29

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 (%)

4
4
2
4
7
11
22
22
25
23
22
10
16
7
5
3
1
4
0
0
1
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)

8
9
9
10
11
11
11
11
12
12
12
11
10
10
12
12
10
9
9
10
11
14
16
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
72
71
72
75
83
88
88
87
89
89
86
85
85
84
85
88
86
88
82
72
61
54

Pressure (mb)

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

Ozone (du)

283
280
281
280
283
282
281
280
277
278
279
280
282
282
280
281
281
281
278
278
277
276
277
279

Monday 14

Waxing Crescent 13%

08:03

21:14

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

Sun - Rise: 05:53, Set: 17:48, Transit: 11:51. Moon - Rise: 08:03, Set: 21:14. Civil Dark: 18:11 - 05:29. Nautical Dark: 18:39 - 05:02. Astro Dark: 19:07 - 04:34

Total Clouds (% Sky Obscured)

58
12
15
6
5
3
45
2
0
5
5
32
38
45
100
100
59
56
80
100
100
92
100
83

Low Clouds (% Sky Obscured)

2
1
13
3
4
0
0
0
0
0
0
0
0
0
0
0
5
14
29
55
4
0
16
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
24
27
20
57
50
32
57
75
93
91
100
69

High Clouds (% Sky Obscured)

37
7
2
2
1
3
45
2
0
4
4
26
38
45
100
100
56
55
67
100
100
73
100
48

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
22
45
24
89
50
39
32
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
23
26
26
27
26
25
25
23
21
20
18
17
16
15
11
5
5
6
5
4
3
4
5

Chance of Frost

Temperature (°C)

27
28
28
27
26
25
24
23
23
23
22
22
21
21
20
20
21
21
20
20
20
21
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
47
48
53
59
62
62
61
57
56
55
55
60
63
65
66
67
63
74
76
86
81
77
74

Pressure (mb)

1017
1016
1015
1014
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1013
1014
1014
1015
1015
1016
1017
1017
1017

Ozone (du)

282
284
284
286
289
288
286
286
285
285
286
288
288
289
290
292
294
299
302
306
311
314
321
326

Tuesday 15

Waxing Crescent 20%

08:40

22:13

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

83
100
100
100
100
100
99
84
65
72
50
32
19
13
26
41
37
2
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

22
44
43
51
71
57
49
74
60
72
50
32
19
13
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

74
95
54
85
97
100
96
39
2
2
0
0
1
0
0
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
100
100
100
100
100
46
0
1
2
0
3
0
1
26
41
37
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
6
4
9
7
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
Light Rain
Light Rain
Moderate Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
55
95
95
95
95
54
49
10
4
2
1
0
0
0
0
0
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
1.1
1.1
3.3
0.3
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
8
9
10
7
5
5
4
4
3
3
3
3
3
4
4
4
4
4
4
3
3
1
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
64
65
78
66
92
91
89
89
88
89
88
88
88
85
85
81
79
77
74
67
56
47
43

Pressure (mb)

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

Ozone (du)

326
324
323
319
313
311
314
306
299
296
293
292
291
291
290
291
290
290
290
290
289
288
288
289

Wednesday 16

Waxing Crescent 29%

09:22

23:12

11 Good
12 Good
13 Good
14 Good
15 OK
16 OK
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
0
12
24
38
45
59
68
94
97
100
92
96
94
96
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
2
3
5
24
42
61
77
61
61
64
72
68
78
84
87
87
88
90
89
86
84

Medium Clouds (% Sky Obscured)

0
0
0
8
17
25
26
24
25
27
30
32
34
38
42
45
52
51
52
54
50
90
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
2
5
15
20
66
82
100
74
67
49
66
52
49
48
72
100
66
18
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

0
0
0
0
0
0
4
14
14
26
19
18
22
20
27
35
38
37
47
57
47
51
51
52

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
0.2
0

Wind Speed/Direction (mph)

6
7
8
8
9
10
12
11
12
12
12
12
11
11
10
9
10
10
10
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
26
26
26
24
24
22
21
21
20
19
18
18
19
18
18
18
17
16
16
15
15
16
16

Dew Point (°C)

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

Relative Humidity (%)

43
46
47
49
52
56
70
72
80
82
80
80
80
81
81
82
85
78
73
75
77
73
72
72

Pressure (mb)

1018
1017
1017
1016
1017
1017
1018
1019
1021
1022
1023
1022
1023
1022
1022
1022
1022
1022
1023
1024
1024
1025
1025
1025

Ozone (du)

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

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)

90
94
100
95
90
85
81
78
76
83
88
91
92
95
97
98
98
99
99
97
93
87
81
79

Medium Clouds (% Sky Obscured)

100
100
100
99
98
97
98
99
100
100
100
100
100
100
100
96
93
90
92
95
99
100
100
100

High Clouds (% Sky Obscured)

21
37
56
57
62
85
63
68
73
58
62
94
86
63
58
67
67
30
43
61
79
84
93
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

60
55
54
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.3
0
0
0.5
2
1.5
1.3
1.2
1.6
1.5
1.2
0.9
1.1
1.4
1.4
1.2
0.9
0.6
0.9
1
1
0.9
0.8
0.8

Wind Speed/Direction (mph)

11
10
10
12
12
16
13
10
9
8
8
7
8
7
7
7
7
8
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
73
82
92
87
86
85
87
87
87
86
86
85
86
86
86
85
85
83
83
85
85

Pressure (mb)

1025
1024
1024
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023
1023
1024
1024
1024
1024

Ozone (du)

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

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
100
100
100
100

Low Clouds (% Sky Obscured)

80
86
92
81
70
59
65
75
78
80
81
81
80
78
78
81
85
88
89
90
90
94
97
100

Medium Clouds (% Sky Obscured)

100
100
100
95
89
79
85
90
96
97
99
100
99
99
98
99
99
100
95
91
86
80
69
56

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
89
84
87
90
92
94
96
100

ISS Passover

Visibility (miles)

4
3
2
1
1
1
2
3
4
5
5
4
4
5
6
6
7
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
86
74
81
95
94
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.3
1.7
1.8
1.9
1.8
1.7
1.2
0.9
0.7
0.6
0.5
0.3
0.3
0.5
0.5
1.3
2.5
3.2
2.9
4.1
6.7
1
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
89
93
92
90
90
90
88
86
86
86
85
85
82
82
83
85
86
86
85
83
81
75

Pressure (mb)

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

Ozone (du)

289
288
287
286
286
286
286
287
288
289
290
291
292
293
295
296
297
297
298
299
300
300
301
301

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 OK
07 Good

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
100
100
100
100
100
100
100
100
100
100
99
98
98
67
34
1

Low Clouds (% Sky Obscured)

95
90
85
85
85
86
88
92
93
90
86
83
81
77
77
52
26
3
2
1
0

Medium Clouds (% Sky Obscured)

52
49
45
37
29
23
21
14
15
15
15
15
15
35
45
39
26
19
17
9
0

High Clouds (% Sky Obscured)

99
99
97
90
78
68
72
75
82
67
47
38
61
73
70
67
77
77
52
30
1

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

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
44
13
4

Precipitation Amount (mm)

0.5
0.7
0.5
0.8
1.1
1.1
0.7
0.7
1.1
1.1
1.6
1.8
2.2
5.7
7.2
1.5
1.2
0.6
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
2
1
1
1
2
3
2
2
4
2
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
17
17
17
17
17
18

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
12
11
11
11
11
11
12
12
12
12
12
12
13
13
12
12
11

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

301
301
300
300
300
299
299
300
301
303
303
303
303
304
304
305
305
305
306
304
302

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

Generated: 13/09/26 11:18:35. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+2.00