Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 4

Waning Gibbous 96%

22:22

07:34

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
11 Bad

Sun - Rise: 07:10, Set: 20:17, Transit: 13:45. Moon - Rise: 22:22, Set: 07:34. Civil Dark: 20:51 - 06:37. Nautical Dark: 21:31 - 05:56. Astro Dark: 22:14 - 05:13

Total Clouds (% Sky Obscured)

77
87
87
87
87
87
89
87
89
89
87
100
90
92
94
95
100
98
86
80
61
71
64
82

Low Clouds (% Sky Obscured)

56
30
77
91
100
100
100
100
100
95
93
91
88
92
94
82
75
72
79
78
61
71
64
76

Medium Clouds (% Sky Obscured)

30
30
49
48
98
96
84
81
90
64
66
93
90
85
86
94
20
12
0
0
0
1
1
36

High Clouds (% Sky Obscured)

72
12
39
59
90
100
100
79
100
100
100
100
90
92
94
95
100
89
46
15
1
0
0
1

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
6
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
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
7
7
0
15
20
9
14
18
20
18
18
12

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

Chance of Frost

Temperature (°C)

8
9
11
11
12
12
11
10
10
10
10
11
11
11
11
11
11
10
10
10
9
10
11
12

Feels Like (°C)

3
5
6
6
7
7
6
6
6
6
6
6
6
7
7
6
7
7
7
6
6
6
8
9

Dew Point (°C)

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

Relative Humidity (%)

71
62
61
67
69
70
75
83
84
88
90
89
96
93
91
90
91
91
91
91
93
88
83
80

Pressure (mb)

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

Ozone (du)

382
380
377
376
375
375
373
374
376
378
381
382
379
375
373
371
371
370
369
369
369
371
373
375

Sunday 5

Waning Gibbous 91%

23:36

07:54

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

Sun - Rise: 07:08, Set: 20:19, Transit: 13:45. Moon - Rise: 23:36, Set: 07:54. Civil Dark: 20:52 - 06:35. Nautical Dark: 21:33 - 05:54. Astro Dark: 22:16 - 05:10

Total Clouds (% Sky Obscured)

80
93
100
99
90
100
38
18
86
96
63
96
100
99
93
97
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

73
84
89
87
42
37
20
18
20
0
0
0
0
6
10
50
65
40
68
85
100
68
76
66

Medium Clouds (% Sky Obscured)

31
74
96
87
77
100
23
2
55
42
63
17
3
18
42
35
56
54
100
99
100
97
98
98

High Clouds (% Sky Obscured)

2
16
28
73
50
100
7
2
81
67
40
91
100
97
86
80
73
100
100
87
72
84
18
20

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 (%)

2
2
5
2
16
6
0
0
0
0
0
0
0
0
1
0
0
0
0
8
23
12
4
5

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)

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

Chance of Frost

Temperature (°C)

13
14
14
15
15
16
16
16
15
14
13
13
13
13
13
12
12
12
11
11
11
11
11
11

Feels Like (°C)

10
10
11
12
11
12
13
13
12
11
9
9
8
8
7
7
6
6
6
6
6
6
6
6

Dew Point (°C)

10
10
10
11
10
11
12
12
12
11
11
10
9
9
8
8
7
7
7
7
7
7
7
5

Relative Humidity (%)

82
75
75
75
74
75
77
78
82
83
84
79
76
76
74
72
70
73
76
75
76
80
75
67

Pressure (mb)

1021
1021
1021
1020
1019
1019
1018
1017
1017
1017
1016
1015
1015
1014
1014
1013
1013
1014
1014
1015
1015
1016
1017
1018

Ozone (du)

372
372
373
372
373
375
380
375
374
375
371
370
366
365
361
360
359
359
360
360
358
359
362
363

Monday 6

Waning Gibbous 85%

00:48

08:20

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

Sun - Rise: 07:06, Set: 20:21, Transit: 13:44. Moon - Rise: 00:48, Set: 08:20. Civil Dark: 20:54 - 06:32. Nautical Dark: 21:34 - 05:52. Astro Dark: 22:18 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
75
67
84
96
65
60
81
56
27
47
48
33
34
71
83
52
97
100
100
100
100

Low Clouds (% Sky Obscured)

80
39
58
46
56
63
63
65
60
66
1
1
1
1
1
1
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
80
25
9
21
0
39
37
17
0
0
0
0
0
0
0
0
0
0
0
0
0
18

High Clouds (% Sky Obscured)

100
100
85
13
25
57
93
5
6
72
56
17
40
43
25
34
69
82
49
96
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
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 (%)

14
8
18
17
28
26
4
10
8
9
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)

17
17
17
14
16
16
18
17
14
11
10
10
9
8
7
6
5
5
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
6
7
7
7
5
4
5
5
4
3
1
1
1
1
1
-0
0
0
0
3
4
7

Dew Point (°C)

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

Relative Humidity (%)

65
64
61
66
70
75
68
66
68
71
75
78
79
82
86
89
89
89
89
88
85
76
70
62

Pressure (mb)

1019
1019
1020
1020
1020
1021
1022
1023
1024
1025
1026
1026
1027
1028
1028
1028
1029
1029
1029
1030
1030
1030
1031
1031

Ozone (du)

362
362
365
371
373
376
374
376
383
379
378
376
375
375
374
372
370
369
367
367
367
367
367
366

Tuesday 7

Waning Gibbous 78%

01:56

08:56

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

Sun - Rise: 07:04, Set: 20:22, Transit: 13:44. Moon - Rise: 01:56, Set: 08:56. Civil Dark: 20:56 - 06:30. Nautical Dark: 21:36 - 05:49. Astro Dark: 22:20 - 05:05

Total Clouds (% Sky Obscured)

100
100
94
64
71
49
34
32
37
35
36
21
13
10
3
3
2
1
1
2
3
6
6
15

Low Clouds (% Sky Obscured)

1
1
0
4
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

45
40
30
5
19
7
1
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
69
51
18
18
21
20
29
31
32
19
11
10
3
3
2
1
1
2
3
4
5
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
51
47
46
44
44
47
58
65
66
68
67
69
70
72
74
76
73
73
71
71
65
58
52

Pressure (mb)

1031
1030
1030
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025

Ozone (du)

365
363
362
361
360
361
363
363
364
364
366
367
368
368
368
369
370
370
371
370
369
368
367
364

Wednesday 8

Waning Gibbous 69%

02:55

09:42

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

Sun - Rise: 07:02, Set: 20:24, Transit: 13:44. Moon - Rise: 02:55, Set: 09:42. Civil Dark: 20:57 - 06:28. Nautical Dark: 21:38 - 05:47. Astro Dark: 22:23 - 05:02

Total Clouds (% Sky Obscured)

19
25
42
60
77
48
25
0
0
0
0
0
0
0
0
0
0
10
19
28
26
39
37
65

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
1
2
3
17

High Clouds (% Sky Obscured)

19
25
42
60
77
48
25
0
0
0
0
0
0
0
0
0
0
10
19
28
26
26
16
45

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
2
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
8
8
8
8
8
7
7
7
7
6
6
6
7
6
6
6
6
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

13
15
16
17
18
18
17
16
14
12
11
10
10
9
9
8
8
8
7
7
7
10
12
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
46
43
42
41
42
49
58
67
73
73
73
70
70
72
70
70
69
69
69
70
67
60
56

Pressure (mb)

1025
1024
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

362
360
359
359
358
357
356
353
353
352
352
354
355
355
356
356
355
354
350
349
348
349
348
348

Thursday 9

Waning Gibbous 60%

03:42

10:41

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

Sun - Rise: 06:59, Set: 20:25, Transit: 13:43. Moon - Rise: 03:42, Set: 10:41. Civil Dark: 20:59 - 06:26. Nautical Dark: 21:40 - 05:44. Astro Dark: 22:25 - 04:59

Total Clouds (% Sky Obscured)

80
77
80
79
83
75
68
61
55
48
41
42
43
45
57
70
84
90
95
99
89
80
69
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
19
32
26
23
18
14
13
9
20
39
62
45
30
26
31

Medium Clouds (% Sky Obscured)

27
40
45
44
44
42
41
40
31
21
9
6
6
5
5
5
5
18
32
46
60
75
69
79

High Clouds (% Sky Obscured)

72
77
67
35
2
4
3
2
0
1
2
2
2
8
38
63
78
81
88
96
89
80
58
57

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
2
1
1
9
9
6
17
15
0
0
0
0
6

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

Chance of Frost

Temperature (°C)

16
18
19
19
20
20
19
17
16
14
13
12
11
10
10
9
8
8
8
8
8
9
11
12

Feels Like (°C)

14
15
17
17
17
17
18
18
18
13
13
13
13
12
12
7
6
6
6
6
5
5
5
5

Dew Point (°C)

7
8
9
9
9
9
10
11
11
9
7
6
5
5
4
3
2
2
2
2
2
2
3
3

Relative Humidity (%)

56
53
51
51
50
50
56
64
72
69
68
67
67
67
66
66
64
65
65
65
65
62
59
55

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

349
350
353
355
358
360
361
362
363
364
365
366
366
367
367
367
366
366
367
367
368
369
370
370

Friday 10

Third Quarter 50%

04:18

11:49

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
11 Bad

Sun - Rise: 06:57, Set: 20:27, Transit: 13:43. Moon - Rise: 04:18, Set: 11:49. Civil Dark: 21:01 - 06:23. Nautical Dark: 21:42 - 05:42. Astro Dark: 22:27 - 04:56

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
93
89
93
97
100
89

Low Clouds (% Sky Obscured)

38
40
47
55
60
65
70
63
54
41
35
29
20
14
6
3
0
0
5
10
15
25
30
31

Medium Clouds (% Sky Obscured)

90
91
86
90
90
90
90
95
95
95
95
94
94
88
75
60
44
33
22
10
9
6
2
1

High Clouds (% Sky Obscured)

73
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
92
89
89
85
76
71
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 (%)

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 (%)

9
10
15
18
20
15
20
26
36
41
42
45
39
15
14
9
0
1
2
0
1
1
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)

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

Chance of Frost

Temperature (°C)

13
14
15
13
12
10
9
9
8
8
7
7
7
7
6
6
6
5
5
4
4
6
8
10

Feels Like (°C)

5
6
6
12
11
11
10
9
9
4
4
4
4
4
3
4
3
3
2
2
2
4
5
7

Dew Point (°C)

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

Relative Humidity (%)

55
53
52
61
71
84
85
87
90
90
91
93
93
93
94
96
94
94
94
93
93
88
82
78

Pressure (mb)

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

Ozone (du)

372
374
375
379
382
386
387
387
388
389
390
390
392
394
396
395
395
395
395
396
397
399
400
401

Forecast for Charleroi, Hainaut Province, Kingdom of Belgium (50.41,4.45)

Generated: 04/04/26 00:22:48. Forecast: 04/04/26 to 10/04/26. Timezone: UTC+2.00