Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waxing Crescent 28%

No Rise

23:30

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

Sun - Rise: 05:28, Set: 19:52, Transit: 12:39. Moon - Rise: No Rise, Set: 23:30. Civil Dark: 20:21 - 04:59. Nautical Dark: 20:57 - 04:23. Astro Dark: 21:36 - 03:43

Total Clouds (% Sky Obscured)

65
52
30
30
39
43
63
69
63
62
52
53
58
55
52
48
39
41
42
52
100
71
51
45

Low Clouds (% Sky Obscured)

2
1
2
20
39
43
63
69
63
62
52
53
58
55
52
48
31
38
42
52
44
23
24
37

Medium Clouds (% Sky Obscured)

0
0
5
2
7
19
29
26
26
20
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

59
52
16
7
0
0
0
0
0
1
0
0
0
1
1
0
0
0
0
2
100
61
12
14

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 (%)

1
0
0
1
1
1
3
15
10
10
12
12
20
12
7
3
5
3
3
2
14
4
4
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)

7
8
9
12
16
16
16
15
13
11
9
7
6
6
5
5
4
4
3
3
5
6
8
9

Chance of Frost

Temperature (°C)

27
29
30
30
29
27
26
24
22
22
21
21
20
20
19
19
19
18
18
18
19
20
22
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
39
36
38
44
51
55
60
67
68
71
71
72
75
77
80
85
92
93
93
82
69
54
45

Pressure (mb)

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

Ozone (du)

282
283
284
284
284
284
283
282
284
283
284
282
283
284
283
283
283
281
281
282
281
281
282
280

Friday 26

Waxing Crescent 38%

11:20

23:56

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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: 05:28, Set: 19:52, Transit: 12:40. Moon - Rise: 11:20, Set: 23:56. Civil Dark: 20:21 - 04:59. Nautical Dark: 20:57 - 04:23. Astro Dark: 21:36 - 03:44

Total Clouds (% Sky Obscured)

59
100
100
100
88
99
76
66
97
64
41
35
91
100
100
94
71
100
100
100
100
100
65
82

Low Clouds (% Sky Obscured)

40
33
41
40
37
33
17
15
13
4
2
0
0
2
1
0
2
3
5
0
3
21
22
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
100
100
100
88
97
47
27
89
34
35
5
87
100
100
94
71
100
100
100
100
100
61
82

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 (%)

0
0
0
0
0
0
0
0
0
1
2
3
4
3
1
1
0
0
0
1
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)

9
10
12
16
16
16
16
16
14
11
10
8
8
6
5
4
4
4
4
3
3
5
7
8

Chance of Frost

Temperature (°C)

26
28
28
27
27
26
24
23
22
21
19
19
19
19
18
17
17
16
16
16
17
19
21
24

Feels Like (°C)

24
24
24
22
22
22
20
19
17
17
16
17
16
16
16
16
16
16
15
15
16
17
19
22

Dew Point (°C)

12
12
13
14
14
13
12
13
13
14
14
15
15
15
14
14
14
14
13
13
13
13
13
12

Relative Humidity (%)

41
37
40
44
44
44
47
51
56
66
71
76
78
80
81
83
85
87
86
85
76
65
57
48

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

279
278
277
278
277
277
276
278
278
278
277
276
276
275
275
275
274
274
274
275
276
277
278
278

Saturday 27

First Quarter 49%

12:23

00:23

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

Sun - Rise: 05:29, Set: 19:52, Transit: 12:40. Moon - Rise: 12:23, Set: 00:23. Civil Dark: 20:21 - 05:00. Nautical Dark: 20:57 - 04:24. Astro Dark: 21:37 - 03:45

Total Clouds (% Sky Obscured)

79
67
61
9
12
6
9
10
10
21
7
9
21
7
23
33
34
19
12
0
1
0
0
0

Low Clouds (% Sky Obscured)

20
0
12
9
11
6
8
10
6
14
4
6
13
4
15
29
30
19
12
0
1
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)

79
67
60
0
0
0
0
0
0
0
0
0
1
3
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 (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
2
1
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)

9
11
12
14
15
16
16
15
13
11
9
9
7
6
5
5
4
3
2
2
2
4
6
8

Chance of Frost

Temperature (°C)

26
27
28
29
28
27
26
24
22
21
20
19
18
18
17
17
16
16
15
15
17
19
22
25

Feels Like (°C)

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

Dew Point (°C)

12
11
11
11
11
12
13
13
13
14
15
15
14
15
15
15
15
15
15
13
12
12
12
12

Relative Humidity (%)

42
36
33
33
35
39
45
50
56
66
75
78
78
81
85
89
92
93
95
87
74
62
51
43

Pressure (mb)

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

Ozone (du)

277
276
276
276
276
277
276
276
277
276
275
275
276
276
276
277
278
277
277
276
276
275
274
273

Sunday 28

Waxing Gibbous 60%

13:28

00:53

11 Good
12 Good
13 Good
14 OK
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good
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

Sun - Rise: 05:30, Set: 19:53, Transit: 12:41. Moon - Rise: 13:28, Set: 00:53. Civil Dark: 20:22 - 05:01. Nautical Dark: 20:58 - 04:25. Astro Dark: 21:37 - 03:46

Total Clouds (% Sky Obscured)

3
5
6
4
2
0
0
0
1
7
16
25
19
12
4
2
1
0
0
0
0
8
1
1

Low Clouds (% Sky Obscured)

1
3
5
3
2
0
0
0
0
5
15
24
19
12
4
2
1
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
8
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
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
0
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)

10
11
12
14
15
16
17
15
14
14
12
10
8
6
5
3
2
2
1
1
1
1
2
4

Chance of Frost

Temperature (°C)

27
29
30
31
30
30
29
27
25
22
21
20
19
19
18
18
18
17
17
19
21
22
26
29

Feels Like (°C)

26
26
27
28
27
26
25
23
20
19
18
18
17
18
18
19
20
20
19
22
23
25
28
31

Dew Point (°C)

11
9
8
9
11
12
13
12
13
15
16
16
16
16
15
15
14
14
14
16
15
14
14
14

Relative Humidity (%)

36
30
25
25
29
33
36
39
48
62
73
80
81
81
81
81
81
82
82
81
69
58
49
39

Pressure (mb)

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

Ozone (du)

272
271
270
269
269
269
268
268
267
268
268
269
269
268
268
267
266
265
265
265
264
264
264
264

Monday 29

Waxing Gibbous 72%

14:37

01:26

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

Sun - Rise: 05:30, Set: 19:53, Transit: 12:41. Moon - Rise: 14:37, Set: 01:26. Civil Dark: 20:22 - 05:01. Nautical Dark: 20:58 - 04:26. Astro Dark: 21:37 - 03:46

Total Clouds (% Sky Obscured)

1
0
1
2
1
0
4
0
0
0
0
0
1
13
17
13
10
4
5
5
4
4
3
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
13
17
13
10
3
3
2
2
2
1
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)

1
0
1
1
1
0
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
1
0
1
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)

5
8
10
13
14
15
15
12
9
7
5
3
2
1
1
2
2
2
3
0
2
4
5
6

Chance of Frost

Temperature (°C)

32
34
36
37
36
35
33
31
30
28
26
25
23
22
22
21
21
21
20
22
24
25
28
30

Feels Like (°C)

35
36
36
35
32
32
31
30
29
28
27
25
25
25
25
24
24
24
24
24
25
26
30
31

Dew Point (°C)

14
12
11
11
16
18
17
16
17
17
18
19
19
19
19
19
19
19
19
19
19
20
20
20

Relative Humidity (%)

32
26
22
20
31
37
38
40
45
52
61
70
78
81
85
86
88
89
89
84
77
72
61
52

Pressure (mb)

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

Ozone (du)

263
263
262
261
260
260
260
260
261
262
261
262
263
263
262
262
263
263
264
264
265
266
266
266

Tuesday 30

Waxing Gibbous 82%

15:49

02:06

11 OK
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 OK
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: 05:31, Set: 19:53, Transit: 12:42. Moon - Rise: 15:49, Set: 02:06. Civil Dark: 20:22 - 05:02. Nautical Dark: 20:58 - 04:26. Astro Dark: 21:37 - 03:47

Total Clouds (% Sky Obscured)

3
2
2
20
39
61
60
36
4
4
10
14
39
57
68
74
83
89
85
83
82
84
83
80

Low Clouds (% Sky Obscured)

0
1
1
1
0
0
1
1
1
4
10
14
20
24
29
37
47
56
52
47
43
36
28
21

Medium Clouds (% Sky Obscured)

0
0
0
9
18
31
20
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
20
39
61
60
36
4
4
10
13
28
40
48
55
66
70
67
74
78
80
80
78

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 (%)

0
0
0
1
1
0
3
3
2
4
6
8
9
9
5
8
8
4
9
9
9
8
5
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
10
11
13
13
13
14
11
9
7
6
5
4
4
2
2
1
1
1
1
1
1
2
3

Chance of Frost

Temperature (°C)

33
33
34
35
33
32
31
29
27
25
24
23
22
21
21
20
20
20
20
20
21
22
23
25

Feels Like (°C)

31
32
32
34
36
34
32
31
30
28
22
22
23
22
21
21
21
21
21
21
21
21
25
25

Dew Point (°C)

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

Relative Humidity (%)

44
43
40
37
41
44
48
54
59
66
68
68
71
72
71
71
72
74
75
69
63
58
50
43

Pressure (mb)

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

Ozone (du)

267
268
270
272
273
273
274
273
273
272
271
270
270
268
267
266
266
265
265
264
264
264
263
262

Wednesday 31

Waxing Gibbous 90%

17:05

02:55

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: 05:32, Set: 19:53, Transit: 12:42. Moon - Rise: 17:05, Set: 02:55. Civil Dark: 20:22 - 05:03. Nautical Dark: 20:58 - 04:27. Astro Dark: 21:37 - 03:48

Total Clouds (% Sky Obscured)

81
85
90
93
97
100
86
77
66
76
82
90
95
95
66
61
63
72
81
88
96

Low Clouds (% Sky Obscured)

16
10
6
4
5
4
14
15
22
21
21
17
20
23
27
37
49
59
60
63
62

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
1
0
0
0
25
49
52
56
49
33
20
0
7
17
26

High Clouds (% Sky Obscured)

80
79
78
83
91
100
75
50
26
46
62
80
85
85
66
36
32
19
21
28
35

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

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
2
0
0
1
4
1
4
6
2
6
8
8
12
14
15

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)

5
6
8
9
11
12
14
12
11
9
8
6
4
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

27
28
30
31
30
29
28
27
25
23
23
22
21
21
20
19
19
19
19
19
20

Feels Like (°C)

25
26
27
28
31
29
28
27
26
25
21
22
22
23
22
22
21
22
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

38
35
33
30
35
39
43
50
56
62
68
74
80
84
88
92
92
92
92
85
80

Pressure (mb)

1014
1014
1013
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1013

Ozone (du)

262
261
261
261
260
260
259
259
259
258
258
258
258
258
257
257
257
257
257
257
258

Forecast for Gelukshoop, Cape Winelands District Municipality, South Africa (-33.97,20.13)

Generated: 25/12/25 11:11:04. Forecast: 25/12/25 to 31/12/25. Timezone: UTC+2.00