Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 3%

03:41

17:50

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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: 05:23, Set: 19:48, Transit: 12:36. Moon - Rise: 03:41, Set: 17:50. Civil Dark: 20:17 - 04:54. Nautical Dark: 20:53 - 04:18. Astro Dark: 21:32 - 03:39

Total Clouds (% Sky Obscured)

78
79
84
84
89
87
65
14
0
0
0
2
0
0
0
3
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

41
49
43
55
74
87
65
14
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
42
27
19
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
0
0
0
0
0
0
0
0
0
2
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
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
3
0
1
2
2
1
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)

13
12
12
11
10
8
6
4
1
1
1
2
1
2
2
2
2
2
5
8
9
9
10
12

Chance of Frost

Temperature (°C)

22
21
19
18
17
17
17
16
15
15
14
13
12
12
14
17
19
21
24
26
27
28
28
28

Feels Like (°C)

19
17
16
16
15
14
14
14
15
15
15
14
13
13
15
18
20
21
23
24
25
27
26
24

Dew Point (°C)

5
5
6
7
8
8
8
8
8
8
8
8
7
6
6
6
6
6
6
5
4
4
3
4

Relative Humidity (%)

33
35
42
50
55
57
57
58
59
63
67
69
70
65
57
49
41
35
29
26
23
21
20
22

Pressure (mb)

1015
1016
1017
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018

Ozone (du)

300
300
300
297
294
293
293
292
292
291
290
290
290
289
288
286
285
284
284
284
283
283
282
280

Thursday 18

Waning Crescent 1%

04:25

18:48

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: 05:24, Set: 19:48, Transit: 12:36. Moon - Rise: 04:25, Set: 18:48. Civil Dark: 20:17 - 04:55. Nautical Dark: 20:53 - 04:19. Astro Dark: 21:33 - 03:39

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
0

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
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 (%)

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)

13
14
12
9
7
6
4
3
2
2
2
2
2
1
1
3
4
7
8
9
10
12
15
16

Chance of Frost

Temperature (°C)

26
24
22
19
18
17
16
15
14
14
13
13
13
13
15
18
21
23
26
28
29
30
29
28

Feels Like (°C)

22
21
19
17
16
16
16
16
15
15
14
15
14
15
16
19
22
24
25
27
28
28
27
25

Dew Point (°C)

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

Relative Humidity (%)

31
39
44
54
61
66
69
71
74
76
77
79
80
79
69
58
48
39
32
27
24
22
24
27

Pressure (mb)

1018
1019
1020
1021
1022
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1017
1016
1016
1015
1015

Ozone (du)

278
278
278
278
278
277
276
275
275
276
275
276
277
277
277
276
276
274
273
271
270
272
272
273

Friday 19

Waning Crescent 0%

05:15

19:44

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

Sun - Rise: 05:24, Set: 19:49, Transit: 12:37. Moon - Rise: 05:15, Set: 19:44. Civil Dark: 20:18 - 04:55. Nautical Dark: 20:54 - 04:19. Astro Dark: 21:33 - 03:40

Total Clouds (% Sky Obscured)

2
24
35
36
38
34
31
36
50
49
48
47
38
32
28
20
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

1
12
23
25
27
26
23
30
32
31
31
32
24
25
18
15
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 (%)

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)

14
13
12
10
8
7
6
5
5
4
4
4
3
3
5
6
8
9
11
11
12
14
15
16

Chance of Frost

Temperature (°C)

26
24
22
20
18
18
17
16
16
16
15
15
15
15
17
19
22
25
27
29
30
30
29
28

Feels Like (°C)

23
21
19
18
17
17
17
16
17
16
16
16
16
17
17
19
20
21
23
25
26
25
24
23

Dew Point (°C)

8
9
9
10
12
13
13
12
13
13
13
13
12
12
10
9
8
7
6
6
6
7
8
10

Relative Humidity (%)

31
37
44
55
65
73
76
78
82
83
85
85
84
80
66
52
39
32
27
23
22
22
26
33

Pressure (mb)

1015
1016
1017
1018
1018
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1014
1013
1013
1012
1012

Ozone (du)

272
272
271
271
271
271
270
269
268
268
269
269
269
270
270
270
270
268
268
267
267
268
268
268

Saturday 20

New Moon 2%

06:11

20:34

17 Good
18 Good
19 OK
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 OK
13 OK
14 OK
15 OK
16 OK

Sun - Rise: 05:25, Set: 19:49, Transit: 12:37. Moon - Rise: 06:11, Set: 20:34. Civil Dark: 20:19 - 04:56. Nautical Dark: 20:55 - 04:20. Astro Dark: 21:34 - 03:40

Total Clouds (% Sky Obscured)

6
13
19
12
6
1
1
1
1
2
2
1
2
2
1
1
0
1
0
0
0
4
7
11

Low Clouds (% Sky Obscured)

2
7
14
9
5
0
0
0
0
0
0
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
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
1
1
1
1
2
1
1
0
0
0
0
0
4
7
10

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
2
1
1
0
0
1
1
0
1
1
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)

17
15
14
12
11
9
8
6
4
3
3
3
3
4
5
6
7
9
10
12
13
14
15
16

Chance of Frost

Temperature (°C)

26
25
23
21
20
19
18
18
17
16
16
15
15
16
18
20
23
26
29
31
32
34
33
32

Feels Like (°C)

21
19
19
18
18
17
17
17
17
16
16
16
16
18
19
21
24
25
28
31
31
32
30
29

Dew Point (°C)

11
12
13
14
14
14
14
14
13
12
12
12
12
12
12
10
9
9
9
10
9
10
10
13

Relative Humidity (%)

37
44
53
65
69
72
77
78
78
80
80
83
84
78
65
50
41
34
30
27
24
23
25
32

Pressure (mb)

1013
1013
1014
1015
1015
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1012
1011
1011
1010
1009
1008
1007
1007

Ozone (du)

268
270
271
273
273
273
273
274
275
274
274
275
275
276
277
277
278
277
277
276
276
277
278
278

Sunday 21

Waxing Crescent 6%

07:11

21:19

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

Sun - Rise: 05:25, Set: 19:50, Transit: 12:38. Moon - Rise: 07:11, Set: 21:19. Civil Dark: 20:19 - 04:56. Nautical Dark: 20:55 - 04:20. Astro Dark: 21:34 - 03:41

Total Clouds (% Sky Obscured)

18
25
33
46
64
83
49
22
21
39
45
13
4
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
8
20
6
0
1
10
10
7
2
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
12
19
20
22
24
16
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
7
6
28
54
80
47
15
21
39
45
11
2
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 (%)

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

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)

17
16
14
12
9
7
4
2
1
1
1
1
1
1
1
1
3
5
6
7
9
10
11
13

Chance of Frost

Temperature (°C)

30
29
26
24
23
22
21
20
20
19
19
19
19
21
22
25
27
30
33
34
36
38
36
35

Feels Like (°C)

28
25
23
23
23
22
22
24
24
21
21
21
22
24
26
28
29
30
31
32
33
34
42
39

Dew Point (°C)

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

Relative Humidity (%)

38
46
54
69
78
84
81
84
86
88
89
89
91
85
76
66
55
45
37
31
25
20
26
32

Pressure (mb)

1007
1007
1008
1008
1008
1009
1009
1008
1007
1007
1006
1005
1005
1005
1006
1006
1005
1005
1004
1003
1003
1002
1002
1002

Ozone (du)

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

Monday 22

Waxing Crescent 11%

08:13

21:58

17 OK
18 OK
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
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: 05:26, Set: 19:50, Transit: 12:38. Moon - Rise: 08:13, Set: 21:58. Civil Dark: 20:20 - 04:57. Nautical Dark: 20:56 - 04:21. Astro Dark: 21:35 - 03:41

Total Clouds (% Sky Obscured)

4
9
13
11
5
0
1
1
1
22
42
61
61
56
56
70
82
99
95
93
90
92
96
100

Low Clouds (% Sky Obscured)

3
6
9
6
3
0
0
1
1
19
36
54
51
49
47
55
63
71
78
82
83
89
94
99

Medium Clouds (% Sky Obscured)

0
0
0
0
1
0
1
1
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
1
3
4
8
23
40
40
24
1
1
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
4
4
4
6
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

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

Precipitation Probability (%)

4
2
1
1
0
0
0
0
0
5
9
13
23
33
41
44
49
51
50
47
37
38
40
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

15
13
11
9
7
5
3
2
2
1
1
1
1
2
3
4
6
8
9
11
12
14
14
14

Chance of Frost

Temperature (°C)

33
31
29
26
25
24
22
21
20
20
19
19
19
20
22
23
25
27
28
28
28
29
27
26

Feels Like (°C)

37
36
35
34
25
25
25
24
23
22
21
21
22
23
24
25
26
27
27
28
28
28
26
25

Dew Point (°C)

18
17
17
15
17
17
18
17
17
16
15
15
14
15
16
17
19
21
22
21
20
20
20
20

Relative Humidity (%)

41
43
46
50
59
67
78
79
80
81
77
75
72
70
70
69
69
69
68
65
61
58
64
70

Pressure (mb)

1002
1003
1004
1004
1005
1006
1007
1007
1006
1006
1007
1007
1007
1008
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

274
275
276
277
275
273
272
272
271
271
271
271
271
271
272
272
271
271
271
271
272
273
273
273

Tuesday 23

Waxing Crescent 19%

09:16

22:32

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

Sun - Rise: 05:26, Set: 19:51, Transit: 12:39. Moon - Rise: 09:16, Set: 22:32. Civil Dark: 20:20 - 04:57. Nautical Dark: 20:56 - 04:21. Astro Dark: 21:35 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
96
97
97
98
99
100
95
90
88
89
89
90
93
97
99

Low Clouds (% Sky Obscured)

100
100
100
98
97
95
96
97
97
98
99
100
93
86
79
79
78
77
84
90
98

Medium Clouds (% Sky Obscured)

0
0
0
33
65
67
63
63
55
55
58
61
53
49
20
5
5
0
0
0
8

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

41
46
46
47
55
50
46
46
38
38
41
33
41
37
30
30
30
19
19
15
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
13
12
11
9
7
6
6
6
6
6
6
6
6
7
7
8
8
9
11
12

Chance of Frost

Temperature (°C)

25
23
22
21
21
20
19
19
19
19
19
19
18
19
19
19
19
20
21
21
21

Feels Like (°C)

25
24
21
20
19
19
18
18
18
17
17
17
17
17
16
15
18
17
17
17
18

Dew Point (°C)

21
19
18
17
17
17
16
16
16
15
16
15
15
14
14
13
12
12
11
11
11

Relative Humidity (%)

78
78
76
77
79
80
80
81
81
81
82
81
81
76
72
67
62
58
53
52
51

Pressure (mb)

1011
1012
1013
1014
1014
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

274
278
283
287
287
287
288
287
286
285
285
285
285
285
284
284
284
283
282
281
281

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

Generated: 17/12/25 17:00:24. Forecast: 17/12/25 to 23/12/25. Timezone: UTC+2.00