Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 90%

16:07

02:22

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Good
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

Sun - Rise: 04:58, Set: 19:00, Transit: 11:59. Moon - Rise: 16:07, Set: 02:22. Civil Dark: 19:27 - 04:31. Nautical Dark: 20:00 - 03:58. Astro Dark: 20:35 - 03:23

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
71
14
56
89
97
100
100
100
100
72
100
98
100
100
91
97
100
57

Low Clouds (% Sky Obscured)

59
42
59
40
17
0
1
1
0
0
0
0
2
10
16
15
44
39
25
29
37
31
30
26

Medium Clouds (% Sky Obscured)

76
81
73
100
90
90
52
11
55
31
42
51
94
47
33
44
92
91
85
34
27
75
21
55

High Clouds (% Sky Obscured)

100
100
100
100
85
100
37
0
4
81
89
100
100
100
100
27
100
71
100
100
88
76
100
45

ISS Passover

Visibility (miles)

5
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
2
9
27
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
51
95
70
5
2
4
1
0
0
0
0
0
0
0
5
15
5
6
11
19
55
88
80

Precipitation Amount (mm)

0.8
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.7
0

Wind Speed/Direction (mph)

5
8
6
3
4
6
6
4
8
4
4
3
4
4
3
3
3
9
11
10
13
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
26
26
27
26
24
24
24
24
24
22
23
22
22
23
24
27
26
25
27
28
27
26
25

Dew Point (°C)

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

Relative Humidity (%)

85
89
89
89
89
89
89
88
92
91
89
91
88
86
84
78
72
68
70
72
70
69
73
79

Pressure (mb)

1010
1010
1011
1012
1011
1010
1010
1010
1008
1008
1007
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1007
1007
1006

Ozone (du)

275
276
274
274
273
274
275
275
276
277
275
274
275
276
277
278
279
280
282
283
283
284
281
277

Thursday 1

Waxing Gibbous 96%

17:20

03:23

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

Sun - Rise: 04:59, Set: 19:00, Transit: 12:00. Moon - Rise: 17:20, Set: 03:23. Civil Dark: 19:27 - 04:32. Nautical Dark: 20:00 - 03:59. Astro Dark: 20:35 - 03:24

Total Clouds (% Sky Obscured)

72
69
62
58
62
50
25
19
6
9
49
42
19
8
22
54
81
47
47
66
54
58
31
34

Low Clouds (% Sky Obscured)

30
44
46
49
40
32
22
16
4
5
10
14
6
0
0
4
28
16
36
42
19
18
31
33

Medium Clouds (% Sky Obscured)

52
50
45
55
25
24
3
2
0
0
0
0
0
0
0
3
9
2
12
0
0
0
0
1

High Clouds (% Sky Obscured)

45
45
45
2
9
1
0
0
2
2
38
29
10
6
20
47
45
25
2
53
45
52
0
0

ISS Passover

Visibility (miles)

9
9
3
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
73
51
24
5
6
6
4
8
8
10
12
9
8
5
6
5
5
4
1
2
3
3
4

Precipitation Amount (mm)

0
0.6
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
8
6
6
7
9
9
8
9
9
9
8
7
7
6
9
11
11
12
13
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
91
92
92
91
88
88
87
85
84
84
82
85
84
79
77
70
65
64
64
65
67
68

Pressure (mb)

1007
1007
1008
1009
1009
1010
1010
1011
1010
1010
1010
1010
1010
1011
1011
1012
1012
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

278
277
275
274
272
272
271
269
267
267
267
266
265
266
268
269
270
269
268
268
270
270
269
268

Friday 2

Waxing Gibbous 99%

18:28

04:31

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

Sun - Rise: 05:00, Set: 19:00, Transit: 12:00. Moon - Rise: 18:28, Set: 04:31. Civil Dark: 19:27 - 04:33. Nautical Dark: 20:00 - 04:00. Astro Dark: 20:35 - 03:25

Total Clouds (% Sky Obscured)

34
41
35
33
30
32
30
28
24
23
14
11
26
32
30
27
53
76
69
50
29
28
30
38

Low Clouds (% Sky Obscured)

30
26
23
26
23
22
24
18
18
20
8
1
1
32
30
27
49
61
57
50
29
28
30
38

Medium Clouds (% Sky Obscured)

2
22
21
10
5
11
2
7
2
1
0
0
0
0
0
0
0
38
30
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
1
1
2
2
2
2
2
0
8
11
26
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 (%)

4
4
3
3
3
5
5
5
5
5
3
3
2
3
5
6
8
16
12
14
17
11
16
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
75
77
80
83
84
81
81
81
80
81
81
80
76
72
71
63
63
64
67
65
64
66

Pressure (mb)

1010
1011
1011
1012
1013
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1015
1015
1014
1014
1015
1014
1014
1014
1014

Ozone (du)

267
267
267
268
267
267
265
265
265
265
266
267
269
272
275
276
277
277
277
278
278
279
279
277

Saturday 3

Full Moon 100%

19:28

05:44

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

Sun - Rise: 05:01, Set: 19:00, Transit: 12:01. Moon - Rise: 19:28, Set: 05:44. Civil Dark: 19:27 - 04:34. Nautical Dark: 20:00 - 04:01. Astro Dark: 20:35 - 03:26

Total Clouds (% Sky Obscured)

44
48
58
62
85
80
75
72
75
73
71
56
61
24
49
41
53
69
90
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
41
34
40
46
56
57
33
25
24
22
17
14
10
5
0
10
34
40
37
31
21
27
38

Medium Clouds (% Sky Obscured)

0
14
30
42
28
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
13

High Clouds (% Sky Obscured)

0
2
6
4
19
20
26
19
17
20
20
20
23
8
30
32
47
60
90
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
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 (%)

10
19
22
23
22
32
43
32
20
13
8
10
4
13
6
5
16
18
14
9
18
15
9
16

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
73
78
80
81
83
86
88
89
91
89
88
86
85
79
71
64
64
66
68
68
65
65

Pressure (mb)

1013
1014
1014
1014
1015
1015
1016
1016
1016
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011

Ozone (du)

276
275
275
275
275
276
276
275
274
274
276
274
274
275
277
277
277
277
276
276
275
276
279
279

Sunday 4

Waning Gibbous 97%

20:17

06:55

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:01, Set: 19:00, Transit: 12:01. Moon - Rise: 20:17, Set: 06:55. Civil Dark: 19:27 - 04:34. Nautical Dark: 20:00 - 04:02. Astro Dark: 20:35 - 03:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
96
91
86

Low Clouds (% Sky Obscured)

50
33
36
66
73
69
72
74
73
48
32
19
10
19
17
9
31
43
54
49
45
39
36
31

Medium Clouds (% Sky Obscured)

16
25
30
34
36
38
40
40
40
40
40
43
43
100
71
92
87
81
77
70
59
47
38
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
88
88
91
92
86
81

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

19
19
21
18
25
33
20
25
30
25
41
47
34
57
66
40
61
66
41
42
54
64
58
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
9
7
6
5
4
3
3
3
3
3
4
4
4
3
3
3
2
3
5
5
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
24
24
24
24
24
24
24
23
23
22
22
22
22
23
24
24
23
23
23
23
24
24
25

Dew Point (°C)

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

Relative Humidity (%)

69
72
75
78
79
79
80
80
80
80
83
85
87
88
85
81
75
71
66
63
64
65
66
66

Pressure (mb)

1011
1011
1012
1012
1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012

Ozone (du)

280
279
276
276
276
277
277
275
274
274
274
274
274
275
276
278
277
278
279
279
280
280
281
280

Monday 5

Waning Gibbous 91%

20:58

08:03

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

Sun - Rise: 05:02, Set: 19:00, Transit: 12:01. Moon - Rise: 20:58, Set: 08:03. Civil Dark: 19:28 - 04:35. Nautical Dark: 20:00 - 04:02. Astro Dark: 20:35 - 03:27

Total Clouds (% Sky Obscured)

79
81
84
84
68
49
27
31
26
25
18
10
4
4
4
2
18
34
46
44
37
35
35
31

Low Clouds (% Sky Obscured)

27
20
14
8
6
3
0
0
1
1
1
1
0
0
0
0
2
4
6
4
2
0
0
0

Medium Clouds (% Sky Obscured)

24
19
14
9
13
15
15
21
26
25
18
10
4
4
2
0
0
1
1
1
1
1
5
9

High Clouds (% Sky Obscured)

75
78
78
77
68
49
27
31
26
25
18
10
0
1
1
2
14
14
20
20
20
30
31
26

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
25
24
2
8
6
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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
8
7
5
5
4
4
4
4
3
2
2
3
3
3
3
3
3
5
7
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
23
24
24
21
21
22
22
22
22
22
22
22
21
22
21
29
29
30
30
30
30
30

Dew Point (°C)

17
17
17
17
17
17
18
17
18
18
18
17
17
16
16
17
17
18
20
21
21
21
21
21

Relative Humidity (%)

67
67
71
75
79
80
82
84
85
86
86
86
85
85
76
71
64
64
65
64
63
63
62
63

Pressure (mb)

1011
1011
1011
1011
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008

Ozone (du)

280
280
281
281
282
282
282
282
281
279
278
278
278
278
278
278
278
277
277
277
276
276
276
275

Tuesday 6

Waning Gibbous 84%

21:33

09:06

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

Sun - Rise: 05:03, Set: 19:01, Transit: 12:02. Moon - Rise: 21:33, Set: 09:06. Civil Dark: 19:28 - 04:36. Nautical Dark: 20:00 - 04:03. Astro Dark: 20:35 - 03:28

Total Clouds (% Sky Obscured)

24
44
67
91
82
72
56
31
20
8
15
23
34
37
35
37
25
17
8
13
21
24

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
8
8
13
21
24

Medium Clouds (% Sky Obscured)

13
9
4
0
13
24
36
25
15
4
3
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
40
63
86
78
57
45
25
12
6
15
23
33
31
32
33
21
12
3
2
1
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
9

Fog (%)

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

Precipitation Probability (%)

2
8
16
12
18
15
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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

Wind Speed/Direction (mph)

6
5
3
2
4
3
3
4
4
4
4
4
4
4
3
4
5
8
10
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
30
30
31
31
25
26
25
24
23
23
23
23
22
22
23
23
29
28
28
29
29

Dew Point (°C)

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

Relative Humidity (%)

65
65
70
75
80
82
84
87
85
85
86
84
82
82
75
70
64
62
61
60
62
65

Pressure (mb)

1007
1007
1008
1008
1009
1009
1009
1010
1009
1009
1009
1009
1009
1009
1009
1010
1011
1011
1011
1011
1010
1010

Ozone (du)

273
272
271
269
267
266
265
264
264
264
264
263
263
262
262
262
262
262
262
263
262
262

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

Generated: 31/12/25 16:35:54. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+2.00