Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 3%

06:59

21:16

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

Sun - Rise: 06:44, Set: 18:56, Transit: 12:50. Moon - Rise: 06:59, Set: 21:16. Civil Dark: 19:29 - 06:11. Nautical Dark: 20:08 - 05:32. Astro Dark: 20:49 - 04:51

Total Clouds (% Sky Obscured)

68
70
66
78
73
87
68
71
32
87
80
86
100
100
100
100
78
67
29
71
98
100
100
13

Low Clouds (% Sky Obscured)

0
5
13
0
0
0
0
0
7
84
29
32
21
0
0
0
0
0
0
0
0
0
0
12

Medium Clouds (% Sky Obscured)

21
12
24
21
37
21
7
8
0
0
0
0
0
0
0
0
0
3
0
0
0
0
3
3

High Clouds (% Sky Obscured)

1
36
18
31
33
68
58
61
32
30
60
69
99
100
99
98
77
64
29
68
95
95
86
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
5
5
6
6
8
8
8
8
9
10
10
10
10
9
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
1
1
1
1
1
2
3
5
6
5
3
2
2
2
1
1
0
-1
-1
-2
-1
-1

Relative Humidity (%)

76
75
74
73
68
63
59
56
55
56
56
51
45
43
48
51
55
58
60
59
59
61
66
69

Pressure (mb)

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

Ozone (du)

383
383
382
381
381
380
380
382
381
381
380
380
379
378
378
376
377
378
379
377
375
374
371
369

Saturday 21

Waxing Crescent 8%

07:15

22:45

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

Sun - Rise: 06:42, Set: 18:58, Transit: 12:50. Moon - Rise: 07:15, Set: 22:45. Civil Dark: 19:31 - 06:09. Nautical Dark: 20:10 - 05:30. Astro Dark: 20:51 - 04:49

Total Clouds (% Sky Obscured)

34
52
50
68
64
48
8
0
0
1
13
38
37
37
27
28
14
0
28
31
16
36
28
0

Low Clouds (% Sky Obscured)

34
41
40
39
49
0
0
0
0
0
13
38
37
37
27
28
14
0
28
31
16
36
28
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

12
34
31
48
38
48
8
0
0
1
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
7
7
7
7
8
8
9
9
9
10
11
11
11
10
8
8
8
8
7
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
77
79
72
63
55
50
46
41
38
39
42
46
51
57
62
66
69
70
66
66
69
71

Pressure (mb)

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

Ozone (du)

369
367
366
363
360
358
357
356
356
356
355
352
350
349
351
354
357
359
366
369
372
375
374
375

Sunday 22

Waxing Crescent 16%

07:35

00:16

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
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 06:40, Set: 19:00, Transit: 12:50. Moon - Rise: 07:35, Set: 00:16. Civil Dark: 19:33 - 06:07. Nautical Dark: 20:12 - 05:27. Astro Dark: 20:53 - 04:46

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
7
17
9
0
0
0
0
0
0
0
20
25
25
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
7
17
9
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
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
15
15
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
73
72
67
56
47
41
37
36
36
37
38
41
47
55
62
66
69
70
71
72
70
67

Pressure (mb)

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

Ozone (du)

378
377
376
379
382
384
385
386
385
385
384
385
387
391
393
397
399
400
402
402
402
401
408
415

Monday 23

Waxing Crescent 26%

08:03

01:43

04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 Good
10 OK
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: 06:37, Set: 19:01, Transit: 12:49. Moon - Rise: 08:03, Set: 01:43. Civil Dark: 19:34 - 06:04. Nautical Dark: 20:14 - 05:25. Astro Dark: 20:55 - 04:44

Total Clouds (% Sky Obscured)

50
75
100
63
33
0
33
67
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
27
55
82
55
27
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

50
47
40
27
12
0
4
5
11
24
82
95
92
89
38
28
19
9
24
45
89
92
89
95

High Clouds (% Sky Obscured)

43
72
100
58
32
0
33
67
100
100
100
100
100
100
100
100
100
100
100
100
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
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
2
1
3
6
6
6
6
5
2
2
1
0
1
1
1
0
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

67
70
72
70
70
78
73
70
68
59
50
50
50
49
54
59
61
64
64
65
66
66
67
67

Pressure (mb)

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

Ozone (du)

411
403
399
411
404
397
392
390
392
390
388
385
381
378
377
374
372
368
366
362
359
357
357
354

Tuesday 24

Waxing Crescent 38%

08:43

02:57

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: 06:35, Set: 19:03, Transit: 12:49. Moon - Rise: 08:43, Set: 02:57. Civil Dark: 19:36 - 06:02. Nautical Dark: 20:16 - 05:23. Astro Dark: 20:57 - 04:41

Total Clouds (% Sky Obscured)

100
99
99
89
79
70
77
89
93
100
100
99
100
100
100
99
98
96
98
98
100
100
100
100

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
2
4
8

Medium Clouds (% Sky Obscured)

92
45
35
46
57
70
49
31
34
88
83
87
57
60
60
20
15
20
15
10
10
35
64
93

High Clouds (% Sky Obscured)

96
93
89
72
55
38
58
79
93
100
100
98
100
100
100
99
98
96
98
98
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
18

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
2
3
3
5
6
8
8
8
9
9
9
7
7
6
6
6
6
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

67
71
73
73
70
61
54
48
44
41
40
42
43
49
55
57
60
63
66
69
73
75
80
81

Pressure (mb)

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

Ozone (du)

351
349
347
345
343
342
342
341
341
341
343
344
344
344
346
345
348
350
353
355
356
358
359
359

Wednesday 25

First Quarter 49%

09:40

03:52

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: 06:33, Set: 19:05, Transit: 12:49. Moon - Rise: 09:40, Set: 03:52. Civil Dark: 19:38 - 06:00. Nautical Dark: 20:17 - 05:20. Astro Dark: 20:59 - 04:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
90
87
89
86
86
83
75
61
51
43
36
39
42
46
56
67
78

Low Clouds (% Sky Obscured)

11
13
20
38
57
70
64
66
70
62
52
44
46
46
40
32
27
24
31
40
46
51
51
50

Medium Clouds (% Sky Obscured)

86
78
71
50
28
12
8
5
0
19
40
59
69
75
61
51
43
36
39
42
35
34
32
24

High Clouds (% Sky Obscured)

73
47
20
53
78
100
77
53
30
17
2
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
8
7
5
6
7
8
8
9
9
8
6

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

Precipitation Probability (%)

29
32
34
31
27
25
36
41
42
33
27
22
27
34
38
40
39
41
54
59
60
46
34
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
5
4
3
1
1
0
-0
-1
-1
-1
-0
0
1
1
2
2
2
1
0
0
0

Relative Humidity (%)

84
81
80
78
72
64
59
57
54
51
49
48
47
52
56
61
66
72
79
78
75
73
73
75

Pressure (mb)

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

Ozone (du)

360
365
371
376
381
385
390
398
406
413
417
420
423
424
425
426
426
426
426
428
430
432
429
426

Thursday 26

Waxing Gibbous 61%

10:53

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: 06:31, Set: 19:06, Transit: 12:48. Moon - Rise: 10:53, Set: No Set. Civil Dark: 19:40 - 05:57. Nautical Dark: 20:19 - 05:18. Astro Dark: 21:01 - 04:36

Total Clouds (% Sky Obscured)

75
71
68
74
85
95
94
93
93
91
89
87
75
65
54
60
71
81
73
66
59

Low Clouds (% Sky Obscured)

55
56
52
49
50
52
63
75
86
84
79
74
68
62
54
60
64
66
71
66
59

Medium Clouds (% Sky Obscured)

15
11
8
17
27
36
40
40
31
27
22
18
11
5
0
1
2
2
4
7
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
8
13
19
26
29
19
11
3

ISS Passover

Visibility (miles)

5
6
8
9
8
8
7
8
9
9
9
9
9
9
8
7
8
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
34
37
35
34
34
38
42
45
51
54
55
52
43
26
24
25
26
22
17
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
76
76
73
72
70
65
62
58
60
62
63
68
73
76
78
81
82
79
76

Pressure (mb)

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

Ozone (du)

423
424
425
426
427
428
429
428
427
426
420
415
409
403
397
390
388
385
382
377
372

Forecast for Sint-Niklaas, East Flanders, Kingdom of Belgium (51.16,4.14)

Generated: 20/03/26 04:15:24. Forecast: 20/03/26 to 26/03/26. Timezone: UTC+1.00