Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

16:57

06:02

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 OK
16 OK

Sun - Rise: 06:24, Set: 17:21, Transit: 11:52. Moon - Rise: 16:57, Set: 06:02. Civil Dark: 17:46 - 06:00. Nautical Dark: 18:14 - 05:31. Astro Dark: 18:42 - 05:03

Total Clouds (% Sky Obscured)

72
58
86
100
100
100
100
100
100
100
100
100
100
100
100
100
99
84
84
61
42
43
32
38

Low Clouds (% Sky Obscured)

19
15
6
14
8
0
0
0
17
18
16
68
18
55
57
15
30
5
11
18
11
35
29
36

Medium Clouds (% Sky Obscured)

57
47
37
50
48
52
53
51
100
88
62
99
100
100
100
100
98
84
84
53
30
16
5
1

High Clouds (% Sky Obscured)

12
7
40
100
100
100
100
100
100
100
100
100
94
100
98
100
30
35
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
1
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
6
11
9
4
4
1
3
15
35
36
17
25
27
19
32
28
14
15
6
5
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
12
11
11
11
10
10
11
11
10
11
10
9
8
9
8
9
11
13
15
16
16
17

Relative Humidity (%)

54
59
58
56
54
53
53
53
54
54
55
55
50
48
48
47
43
44
45
50
56
58
60
66

Pressure (mb)

1013
1013
1013
1013
1012
1012
1011
1011
1011
1011
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1012
1012
1013

Ozone (du)

257
255
256
256
255
256
257
257
258
257
256
255
256
256
258
260
262
264
267
268
268
265
263
262

Friday 1

Full Moon 100%

16:57

07:00

17 OK
18 Bad
19 Bad
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 Good
15 Good
16 Good

Sun - Rise: 06:25, Set: 17:21, Transit: 11:52. Moon - Rise: 16:57, Set: 07:00. Civil Dark: 17:45 - 06:00. Nautical Dark: 18:14 - 05:32. Astro Dark: 18:42 - 05:04

Total Clouds (% Sky Obscured)

44
48
67
71
64
58
47
45
37
23
19
0
17
0
4
11
3
0
0
2
0
0
0
0

Low Clouds (% Sky Obscured)

44
46
59
55
41
29
24
14
7
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
13
35
32
30
25
26
24
13
12
0
13
0
3
10
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
0
0
0
0
0
0
0
0
0
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
1
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 (%)

2
10
5
4
1
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)

8
4
2
2
4
4
4
4
4
5
5
5
5
5
5
4
3
2
5
8
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
25
23
22
22
22
22
22
21
20
19
19
19
19
22
25
27
27
27
26
28
27
26

Dew Point (°C)

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

Relative Humidity (%)

73
78
80
79
82
85
86
86
88
88
86
86
86
85
81
67
54
47
44
46
49
52
54
59

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1016
1016
1016
1015
1015
1014
1014
1015
1015

Ozone (du)

261
261
261
261
260
260
260
260
261
262
263
265
263
262
261
262
262
264
265
264
263
263
263
262

Saturday 2

Waning Gibbous 98%

17:32

07:58

17 Good
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 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 06:26, Set: 17:20, Transit: 11:52. Moon - Rise: 17:32, Set: 07:58. Civil Dark: 17:44 - 06:01. Nautical Dark: 18:13 - 05:33. Astro Dark: 18:41 - 05:04

Total 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
3

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
2

Medium 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

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
4
2
0
17
0
0
2
2
2
2
2
2
2
2
2

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
1
1
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)

6
4
3
3
3
4
4
5
5
5
5
4
4
4
4
3
4
7
10
12
14
14
14
12

Chance of Frost

Temperature (°C)

24
23
22
21
21
20
19
19
18
18
18
18
18
18
18
21
23
25
26
27
27
27
26
25

Feels Like (°C)

26
25
26
25
23
22
22
21
20
20
20
20
20
19
20
22
25
26
26
26
27
27
27
26

Dew Point (°C)

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

Relative Humidity (%)

72
83
85
84
84
84
82
81
80
80
78
77
76
74
71
60
57
55
54
56
60
65
69
74

Pressure (mb)

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

Ozone (du)

261
262
262
261
261
261
260
260
260
260
260
260
259
259
258
258
259
259
259
259
261
261
261
261

Sunday 3

Waning Gibbous 95%

18:12

08:54

17 Good
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
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
14 Good
15 Good
16 Good

Sun - Rise: 06:26, Set: 17:19, Transit: 11:52. Moon - Rise: 18:12, Set: 08:54. Civil Dark: 17:44 - 06:02. Nautical Dark: 18:12 - 05:33. Astro Dark: 18:40 - 05:05

Total Clouds (% Sky Obscured)

6
23
32
24
19
13
10
5
3
3
3
2
2
1
0
0
0
0
0
0
0
1
0
0

Low Clouds (% Sky Obscured)

6
22
31
24
19
13
10
5
3
3
3
2
2
1
0
0
0
0
0
0
0
0
0
0

Medium 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

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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

Chance of Frost

Temperature (°C)

24
23
23
22
22
22
21
21
20
19
19
19
18
19
19
20
23
25
27
27
28
28
28
27

Feels Like (°C)

26
26
25
25
26
26
25
24
23
22
21
19
18
19
20
21
24
26
27
27
28
29
29
29

Dew Point (°C)

21
22
22
22
21
21
20
19
18
17
15
12
10
9
8
6
5
5
6
10
12
13
14
16

Relative Humidity (%)

84
91
94
95
94
94
92
89
89
85
75
65
58
52
49
39
31
27
26
32
37
40
42
50

Pressure (mb)

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

Ozone (du)

260
260
261
262
262
262
262
262
262
261
261
261
261
261
261
260
261
261
261
261
261
260
260
259

Monday 4

Waning Gibbous 90%

18:57

09:48

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

Sun - Rise: 06:27, Set: 17:18, Transit: 11:52. Moon - Rise: 18:57, Set: 09:48. Civil Dark: 17:43 - 06:02. Nautical Dark: 18:11 - 05:34. Astro Dark: 18:39 - 05:05

Total Clouds (% Sky Obscured)

0
0
1
14
13
15
24
4
23
14
2
10
14
0
19
37
42
46
44
34
28
48
67
85

Low Clouds (% Sky Obscured)

0
0
0
4
7
11
7
4
10
6
0
5
4
0
0
0
0
0
0
1
1
7
16
26

Medium Clouds (% Sky Obscured)

0
0
1
11
7
7
19
0
8
5
2
1
5
0
1
19
36
46
41
34
28
34
40
43

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
4
2
1
0
1
0
4
28
24
23
18
10
4
21
41
59

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
1
1
6
11
15
23
28
29

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
4
3
3
4
3
7
12
8
7
6
6
7
6
5
5
3
3
6
7
8
9
5
2

Chance of Frost

Temperature (°C)

26
25
24
24
23
22
21
20
20
19
19
19
19
20
20
22
23
26
28
27
27
27
26
25

Feels Like (°C)

29
29
28
27
24
24
20
19
21
20
21
21
21
21
22
23
24
25
26
28
28
29
28
27

Dew Point (°C)

21
22
20
17
13
11
10
17
17
16
16
16
16
17
17
15
15
16
17
18
19
20
20
21

Relative Humidity (%)

72
82
77
65
54
50
48
80
82
82
82
82
81
82
79
66
60
56
52
57
61
66
71
78

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1008
1008
1008
1009
1008
1008
1007
1006
1005
1005
1005

Ozone (du)

258
258
260
260
260
259
259
258
258
258
258
258
259
258
259
259
259
259
260
259
258
258
258
257

Tuesday 5

Waning Gibbous 84%

19:47

10:38

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
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: 06:28, Set: 17:17, Transit: 11:52. Moon - Rise: 19:47, Set: 10:38. Civil Dark: 17:42 - 06:03. Nautical Dark: 18:11 - 05:34. Astro Dark: 18:39 - 05:06

Total Clouds (% Sky Obscured)

87
90
91
87
82
77
60
39
20
41
62
83
87
92
95
80
66
54
58
62
66
71
78
86

Low Clouds (% Sky Obscured)

34
40
44
47
50
53
41
32
20
36
43
46
55
65
77
68
61
53
55
55
55
65
74
83

Medium Clouds (% Sky Obscured)

47
51
56
53
51
50
38
25
13
36
56
76
79
81
86
59
31
3
11
19
28
19
10
0

High Clouds (% Sky Obscured)

73
85
91
87
82
77
60
31
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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

29
25
20
57
70
76
56
40
3
16
22
24
36
39
41
42
34
11
10
11
4
6
6
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
4
3
3
3
3
3
3
3
3
4
6
8
9
10
11
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

21
22
22
21
21
21
21
21
20
20
20
20
20
19
19
19
17
16
15
15
15
16
15
14

Relative Humidity (%)

85
88
91
91
92
92
92
92
91
91
89
89
89
85
84
83
74
67
60
61
62
64
63
61

Pressure (mb)

1005
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1009
1010
1010
1010
1009
1009
1008
1008
1008
1008

Ozone (du)

257
257
257
257
258
259
260
260
261
261
261
260
260
260
261
261
261
260
260
258
257
256
256
256

Wednesday 6

Waning Gibbous 76%

20:42

11:23

17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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: 06:28, Set: 17:16, Transit: 11:52. Moon - Rise: 20:42, Set: 11:23. Civil Dark: 17:41 - 06:03. Nautical Dark: 18:10 - 05:35. Astro Dark: 18:38 - 05:06

Total Clouds (% Sky Obscured)

78
69
59
46
35
27
22
11
0
1
1
2
1
1
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

76
68
59
46
35
27
22
11
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
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
1
1
2
1
1
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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
6
2
5
4
1
3
2
0
1
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
21
21
21
20
19
19
18
17
17
17
16
16
17
18
19
21
23
25
25
26

Feels Like (°C)

22
22
21
21
21
21
22
22
21
22
18
17
16
16
15
15
19
20
20
22
23

Dew Point (°C)

14
14
15
15
15
15
16
15
13
13
12
10
9
8
6
5
6
7
8
10
11

Relative Humidity (%)

61
63
66
68
72
77
82
80
77
76
72
67
64
54
46
39
38
36
34
37
39

Pressure (mb)

1009
1009
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1013
1013
1013
1013
1012
1012

Ozone (du)

257
257
258
259
258
256
255
254
254
253
253
253
252
252
251
251
251
252
253
252
252

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

Generated: 30/04/26 17:31:56. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+2.00