Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 3%

06:54

21:10

04 OK
05 Good
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
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 Good
03 OK

Sun - Rise: 06:39, Set: 18:51, Transit: 12:45. Moon - Rise: 06:54, Set: 21:10. Civil Dark: 19:24 - 06:06. Nautical Dark: 20:03 - 05:27. Astro Dark: 20:44 - 04:46

Total Clouds (% Sky Obscured)

23
18
52
74
87
82
93
59
69
64
80
95
100
100
99
84
81
52
84
94
100
100
0
32

Low Clouds (% Sky Obscured)

0
18
23
2
52
46
20
2
31
19
28
30
31
34
23
4
5
16
24
14
9
28
0
32

Medium Clouds (% Sky Obscured)

22
18
43
61
47
35
1
0
0
0
0
0
0
0
0
0
0
0
0
2
0
2
0
0

High Clouds (% Sky Obscured)

0
18
23
27
24
48
89
59
39
46
59
88
100
100
99
81
76
45
68
63
72
73
0
3

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)

4
4
4
6
6
8
8
8
8
9
9
9
9
9
8
7
7
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
3
3
2
3
3
5
7
9
10
11
11
10
9
8
7
5
4
3
3
3
3
2
2

Dew Point (°C)

2
2
1
1
1
1
2
4
5
6
6
6
5
4
4
2
1
0
-1
-1
-0
-1
-1
-1

Relative Humidity (%)

86
85
82
79
75
69
65
63
60
59
59
57
53
55
57
58
58
58
57
61
67
69
72
73

Pressure (mb)

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

Ozone (du)

385
383
382
380
380
379
377
376
377
377
378
379
378
378
377
377
376
374
373
371
371
370
369
367

Saturday 21

Waxing Crescent 8%

07:09

22:40

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

Sun - Rise: 06:37, Set: 18:53, Transit: 12:45. Moon - Rise: 07:09, Set: 22:40. Civil Dark: 19:26 - 06:03. Nautical Dark: 20:05 - 05:24. Astro Dark: 20:46 - 04:43

Total Clouds (% Sky Obscured)

38
59
55
67
8
0
0
0
20
25
36
32
34
39
0
5
7
27
46
61
44
5
0
0

Low Clouds (% Sky Obscured)

38
42
46
44
0
0
0
0
17
21
32
28
31
39
0
5
7
27
46
61
44
5
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
41
23
37
8
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)

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

Chance of Frost

Temperature (°C)

3
3
3
2
3
5
8
10
12
13
14
14
14
13
12
10
9
8
7
7
6
6
5
5

Feels Like (°C)

1
-1
-1
-1
1
2
5
8
10
11
11
11
10
10
10
8
7
6
5
5
5
4
4
3

Dew Point (°C)

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

Relative Humidity (%)

73
76
77
79
76
68
60
53
49
48
46
46
45
48
54
59
62
63
65
69
72
75
75
75

Pressure (mb)

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

Ozone (du)

366
362
361
360
358
357
356
356
353
353
353
353
351
353
356
359
363
361
361
366
368
371
370
370

Sunday 22

Waxing Crescent 16%

07:29

00:11

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

Sun - Rise: 06:34, Set: 18:54, Transit: 12:44. Moon - Rise: 07:29, Set: 00:11. Civil Dark: 19:27 - 06:01. Nautical Dark: 20:07 - 05:22. Astro Dark: 20:48 - 04:41

Total Clouds (% Sky Obscured)

5
11
20
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10

Low Clouds (% Sky Obscured)

5
10
19
0
0
0
0
0
3
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
5

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)

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

Chance of Frost

Temperature (°C)

4
4
3
3
4
7
9
11
12
13
14
14
14
14
13
11
9
9
8
7
6
5
5
4

Feels Like (°C)

2
2
2
1
2
4
7
8
10
10
12
13
13
13
13
10
8
8
7
6
5
4
4
3

Dew Point (°C)

0
-1
-1
-1
-1
-1
-0
1
2
2
3
3
3
4
5
4
3
3
3
2
2
1
1
1

Relative Humidity (%)

75
73
73
73
69
59
53
49
48
46
46
46
47
50
57
63
64
67
71
72
74
74
75
77

Pressure (mb)

1017
1017
1017
1017
1017
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

371
372
372
373
375
377
381
385
388
390
393
399
406
414
418
418
416
416
416
416
414
412
406
404

Monday 23

Waxing Crescent 26%

07:57

01:38

04 OK
05 Bad
06 Bad
07 Bad
08 OK
09 Good
10 Good
11 OK
12 OK
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

Sun - Rise: 06:32, Set: 18:56, Transit: 12:44. Moon - Rise: 07:57, Set: 01:38. Civil Dark: 19:29 - 05:59. Nautical Dark: 20:09 - 05:19. Astro Dark: 20:50 - 04:38

Total Clouds (% Sky Obscured)

37
68
100
71
37
3
6
19
22
45
71
100
100
100
100
99
99
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

8
17
26
18
9
0
0
0
0
15
30
45
32
19
6
4
2
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
65
3
0
0
0
3
3
11
20
28
30
42
51
29
19
7
24
46
72
65
100
94

High Clouds (% Sky Obscured)

37
68
100
71
37
3
5
19
22
45
71
100
100
100
100
99
97
96
97
99
100
100
100
100

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
1
18
2
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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
6
8
10
11
12
13
13
12
12
11
10
9
7
6
5
4
4
4
3
3

Feels Like (°C)

1
1
0
1
3
5
8
9
8
9
8
7
6
6
5
4
3
3
1
1
1
1
0
1

Dew Point (°C)

1
1
0
0
1
0
-1
3
7
8
7
4
2
1
1
1
0
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

79
77
77
77
74
59
49
57
67
72
65
58
52
49
53
57
59
63
65
67
71
72
72
72

Pressure (mb)

1017
1018
1019
1019
1020
1021
1021
1021
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

401
404
413
413
421
418
411
403
395
393
389
387
384
383
379
376
375
374
370
368
365
363
360
357

Tuesday 24

Waxing Crescent 38%

08:37

02:52

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:30, Set: 18:58, Transit: 12:44. Moon - Rise: 08:37, Set: 02:52. Civil Dark: 19:31 - 05:57. Nautical Dark: 20:10 - 05:17. Astro Dark: 20:52 - 04:35

Total Clouds (% Sky Obscured)

93
86
80
86
93
99
95
91
79
69
96
100
100
100
100
97
94
93
94
97
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
5
11
23

Medium Clouds (% Sky Obscured)

93
86
80
66
60
78
76
63
16
28
67
100
96
67
24
32
36
35
29
34
40
58
74
93

High Clouds (% Sky Obscured)

80
60
43
59
78
97
84
72
60
69
87
100
100
100
100
97
94
93
94
96
95
96
98
100

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
1
1

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)

2
3
3
4
4
5
6
7
8
9
9
10
10
9
8
7
9
10
11
12
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
-0
0
-0
1
2
3
5
6
7
8
7
8
7
7
6
6
5
6
5
5
5
3
3

Dew Point (°C)

-2
-1
-1
-1
-1
-1
-1
-2
-2
-2
-1
-1
-1
0
1
1
2
2
2
3
3
4
4
5

Relative Humidity (%)

72
74
76
74
72
64
56
50
46
41
40
40
40
44
51
56
58
60
62
65
69
73
74
78

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1023
1023
1022
1022
1021
1018
1017
1017
1016
1015
1014
1013
1012

Ozone (du)

353
352
351
349
348
346
345
344
343
343
344
345
345
344
344
345
347
349
351
354
357
360
361
363

Wednesday 25

First Quarter 49%

09:34

03:47

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:27, Set: 18:59, Transit: 12:43. Moon - Rise: 09:34, Set: 03:47. Civil Dark: 19:33 - 05:54. Nautical Dark: 20:12 - 05:15. Astro Dark: 20:54 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
86
73
60
68
74
82
74
67
62
65
67
70
69
68
64

Low Clouds (% Sky Obscured)

37
47
60
73
82
100
85
70
59
61
62
60
49
40
34
37
37
37
40
44
48
59
68
64

Medium Clouds (% Sky Obscured)

93
93
93
67
41
15
12
8
10
18
23
24
42
62
82
74
67
57
62
63
68
45
23
0

High Clouds (% Sky Obscured)

100
100
100
68
40
15
44
69
91
61
31
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
31
41
45
44
41
45
53
61
54
43
29
32
35
39
43
43
40
59
74
86
68
47
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0.3
0.5
0.7
0.4
0
0

Wind Speed/Direction (mph)

14
14
13
13
13
13
14
15
16
16
16
16
16
14
13
11
10
10
9
10
11
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
6
7
7
6
5
4
2
2
0
-0
-1
-1
-1
0
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

81
84
88
93
85
77
72
64
60
55
52
49
47
51
56
62
66
70
75
76
78
79
79
79

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

364
368
372
376
381
386
390
397
405
412
416
420
425
426
427
428
428
428
428
430
431
433
434
434

Thursday 26

Waxing Gibbous 61%

10:47

No Set

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:25, Set: 19:01, Transit: 12:43. Moon - Rise: 10:47, Set: No Set. Civil Dark: 19:34 - 05:52. Nautical Dark: 20:14 - 05:12. Astro Dark: 20:56 - 04:30

Total Clouds (% Sky Obscured)

71
80
89
93
97
100
100
100
100
100
100
100
85
70
55
46
45
55
71
81
90

Low Clouds (% Sky Obscured)

71
77
75
82
90
100
89
79
68
74
80
85
74
64
55
45
36
26
40
57
74

Medium Clouds (% Sky Obscured)

14
26
35
40
45
50
64
82
100
88
76
68
50
32
15
10
7
2
4
4
4

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
8
11

ISS Passover

Visibility (miles)

9
9
9
9
7
5
3
3
3
3
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

25
25
24
31
34
36
46
53
57
60
65
71
64
60
57
46
34
19
18
15
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0.3
0.4
0.3
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
10
11
12
13
13
13
14
14
15
16
15
15
14
13
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
88
88
90
90
82
74
68
70
71
74
77
78
81
79
78
76
79
83

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009
1009
1010
1011
1012
1012
1013
1013
1014

Ozone (du)

435
433
432
431
435
439
443
444
444
444
441
438
435
432
429
425
421
416
411
407
402

Forecast for Achel, Limburg Province, Kingdom of Belgium (51.25,5.48)

Generated: 20/03/26 04:17:46. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+1.00