Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 19%

08:50

No Set

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

Sun - Rise: 07:39, Set: 18:08, Transit: 12:53. Moon - Rise: 08:50, Set: No Set. Civil Dark: 18:41 - 07:06. Nautical Dark: 19:19 - 06:28. Astro Dark: 19:57 - 05:50

Total Clouds (% Sky Obscured)

68
72
82
86
88
100
100
93
99
98
100
100
100
99
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
72
82
77
76
71
54
56
59
66
86
94
97
87
85
81
74
33
87
100
96
87
94
77

Medium Clouds (% Sky Obscured)

1
70
82
86
52
82
88
75
97
95
99
96
96
96
88
84
45
52
100
100
89
100
100
96

High Clouds (% Sky Obscured)

15
72
82
38
3
100
100
20
26
29
28
71
95
64
59
100
100
100
100
75
75
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
8
9
9
9
9
9
9
9
9
9
9
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
None
None
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
41
1
19
11
6
3
2
7
32
69
92
68
34
11
4
6
0
6
15
35
75
87
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.4
0
0
0
0
0
0
0
0
0.4
0.4
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
84
85
88
88
90
90
90
87
91
93
91
84
85
87
80
83
83
85
90
88
91

Pressure (mb)

1017
1017
1017
1018
1019
1019
1020
1020
1020
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

340
339
335
334
335
334
328
330
329
329
327
324
327
325
323
319
314
316
314
308
304
303
301
300

Saturday 21

Waxing Crescent 30%

09:07

23:32

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

Sun - Rise: 07:37, Set: 18:09, Transit: 12:53. Moon - Rise: 09:07, Set: 23:32. Civil Dark: 18:43 - 07:04. Nautical Dark: 19:21 - 06:26. Astro Dark: 19:59 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
52
66

Low Clouds (% Sky Obscured)

77
73
73
60
82
90
86
70
74
70
84
84
95
89
85
69
67
99
73
68
71
58
47
57

Medium Clouds (% Sky Obscured)

98
99
98
72
84
88
87
68
83
87
99
100
100
100
100
100
100
7
0
28
50
55
0
5

High Clouds (% Sky Obscured)

100
100
100
80
100
100
100
100
40
100
100
100
100
100
100
14
24
100
100
100
100
100
22
22

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

51
24
35
30
30
37
17
5
4
15
70
95
95
95
95
95
73
15
5
3
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
1.2
0.8
1
0.5
1.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
16
17
17
18
17
17
17
17
18
18
20
19
19
19
19
19
17
16
14
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
7
7
6
7
7
7
6
6
6
6
5
6
6
6
5
6
7
7
6
6
5
4

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
9
9
9
10
10
10
8
8
8
8
8
8
8
8

Relative Humidity (%)

92
92
92
92
87
88
88
88
88
88
87
87
87
90
90
90
83
81
80
84
87
88
88
91

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

303
305
306
308
311
313
314
317
321
325
327
329
335
338
340
346
351
354
352
352
354
356
361
376

Sunday 22

Waxing Crescent 41%

09:29

00:59

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

Sun - Rise: 07:35, Set: 18:11, Transit: 12:53. Moon - Rise: 09:29, Set: 00:59. Civil Dark: 18:44 - 07:02. Nautical Dark: 19:22 - 06:24. Astro Dark: 20:00 - 05:46

Total Clouds (% Sky Obscured)

70
76
89
91
95
99
98
83
93
93
99
100
100
100
100
91
97
99
99
98
98
99
100
100

Low Clouds (% Sky Obscured)

56
74
85
82
85
95
97
68
74
68
78
57
86
75
46
52
57
51
66
77
81
86
91
93

Medium Clouds (% Sky Obscured)

18
0
3
24
71
73
32
17
8
0
0
72
94
1
40
83
97
99
99
98
91
75
100
74

High Clouds (% Sky Obscured)

10
10
14
17
63
96
18
17
62
80
94
80
87
98
100
37
38
31
28
31
26
36
18
26

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
6
4
3
9
9
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain

Precipitation Probability (%)

1
3
1
1
0
0
0
0
1
0
0
0
2
2
16
51
72
91
95
94
41
51
77
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1.2
0.7
0
0
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
84
82
80
81
81
81
77
79
90
91
84
83
78
76
72
80
88
93
95
93
96
93
95

Pressure (mb)

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

Ozone (du)

374
365
359
356
355
355
354
353
354
358
360
361
366
367
366
363
362
362
361
361
362
362
359
353

Monday 23

Waxing Crescent 53%

10:00

02:27

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
14 Bad
15 Bad
16 OK
17 Good
18 Good
19 Good
20 OK
21 Bad
22 OK

Sun - Rise: 07:33, Set: 18:13, Transit: 12:53. Moon - Rise: 10:00, Set: 02:27. Civil Dark: 18:46 - 07:00. Nautical Dark: 19:24 - 06:22. Astro Dark: 20:02 - 05:44

Total Clouds (% Sky Obscured)

100
100
99
99
98
90
81
73
76
75
82
88
94
99
78
62
52
35
18
4
8
30
40
40

Low Clouds (% Sky Obscured)

97
100
98
96
94
86
80
73
71
63
62
56
51
46
33
20
6
4
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
97
92
30
30
23
6
7
0
0
0
0
0
0
7
15
20
13
8
0
5
4
3
3

High Clouds (% Sky Obscured)

38
44
22
35
30
30
30
30
32
30
41
64
82
99
70
39
9
6
3
0
0
0
5
5

ISS Passover

Visibility (miles)

4
7
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

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

Precipitation Probability (%)

95
88
60
31
7
4
2
0
1
2
0
0
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.7
0.3
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
18
18
17
15
14
13
12
12
12
13
13
13
13
13
13
12
10
8
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
10
10
10
10
10
10
10
10
9
9
9
9
10
9
10
9
9
9

Relative Humidity (%)

96
95
95
93
93
93
90
91
91
93
92
86
84
78
71
66
64
66
73
80
87
87
88
87

Pressure (mb)

1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

349
346
342
340
339
338
341
341
339
340
340
340
340
343
344
345
346
348
348
349
350
351
354
354

Tuesday 24

First Quarter 64%

10:45

03:49

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

Sun - Rise: 07:31, Set: 18:15, Transit: 12:53. Moon - Rise: 10:45, Set: 03:49. Civil Dark: 18:48 - 06:58. Nautical Dark: 19:26 - 06:20. Astro Dark: 20:04 - 05:42

Total Clouds (% Sky Obscured)

45
41
56
67
78
81
82
90
77
54
36
28
4
7
7
8
8
10
13
15
35
56
74
82

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
3

Medium Clouds (% Sky Obscured)

19
4
2
3
3
24
37
41
30
36
3
3
0
0
1
1
1
1
1
2
4
5
5
6

High Clouds (% Sky Obscured)

5
9
24
43
61
73
82
90
67
34
1
1
1
0
0
0
0
1
2
3
35
56
74
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
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
7
7
7
6
7
7
7
8
8
9
9
10
11
11
11
10
10
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
7
6
7
6
6
8
9
11
14
16
15
16
16
16
16
16
10
10
10

Dew Point (°C)

8
8
8
8
8
7
7
7
7
7
7
8
8
8
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

85
87
88
88
88
87
88
88
87
85
84
77
69
64
61
61
61
60
67
75
84
86
87
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019

Ozone (du)

355
356
357
359
359
359
361
359
359
358
361
363
364
365
366
366
365
365
366
367
369
369
370
371

Wednesday 25

Waxing Gibbous 75%

11:47

04:57

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

Sun - Rise: 07:29, Set: 18:16, Transit: 12:53. Moon - Rise: 11:47, Set: 04:57. Civil Dark: 18:49 - 06:56. Nautical Dark: 19:27 - 06:18. Astro Dark: 20:05 - 05:40

Total Clouds (% Sky Obscured)

89
97
94
92
88
91
93
94
85
76
67
73
74
78
77
80
81
80
76
76
76
78
81
81

Low Clouds (% Sky Obscured)

5
8
11
16
20
26
31
37
36
34
33
27
21
19
19
22
30
35
33
30
38
41
40
54

Medium Clouds (% Sky Obscured)

5
6
5
5
5
5
5
10
10
10
11
24
38
51
46
43
39
29
19
4
5
5
5
5

High Clouds (% Sky Obscured)

77
71
80
88
88
75
64
52
42
32
22
34
39
45
56
64
79
72
72
72
76
76
74
76

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
1
1
0
12
22
28
27
26
9
10
7
3
6
5
1
8
10
13
13
10
9
9

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
11
11
12
13
14
15
15
15
15
14
13
12
12
11
11

Feels Like (°C)

10
10
10
8
8
8
8
8
8
8
8
8
8
7
8
12
12
11
12
13
13
10
10
10

Dew Point (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
10
10
9
9

Relative Humidity (%)

88
88
90
88
90
91
90
91
90
87
84
81
76
71
67
66
66
64
71
79
88
87
87
86

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

370
370
370
369
367
366
365
364
363
364
364
365
369
373
377
381
384
388
384
380
376
375
374
373

Thursday 26

Waxing Gibbous 85%

13:04

05:48

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:27, Set: 18:18, Transit: 12:53. Moon - Rise: 13:04, Set: 05:48. Civil Dark: 18:51 - 06:54. Nautical Dark: 19:29 - 06:16. Astro Dark: 20:07 - 05:38

Total Clouds (% Sky Obscured)

81
79
84
90
94
97
98
100
100
100
100
100
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

64
79
71
62
53
46
43
43
45
36
33
27
28
23
36
52
71
80
86
91

Medium Clouds (% Sky Obscured)

10
14
14
19
24
24
24
19
20
20
20
20
20
35
61
72
84
87
92
100

High Clouds (% Sky Obscured)

80
79
84
89
93
95
98
100
100
100
100
100
100
100
92
83
74
52
30
8

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

9
3
5
7
7
9
9
4
7
11
2
9
18
16
44
64
80
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.8
0.7

Wind Speed/Direction (mph)

17
17
17
17
17
17
17
16
16
15
15
15
15
15
16
14
12
10
10
11

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
10
10
10
10
11
11
11
12
13
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
84
85
84
85
85
87
88
87
84
83
75
65
59
61
64
65
70
75

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013

Ozone (du)

370
367
364
362
360
358
356
353
351
351
350
350
349
348
347
346
345
343
343
343

Forecast for Elst, Flemish Brabant, Kingdom of Belgium (50.77,4.89)

Generated: 20/02/26 23:29:59. Forecast: 20/02/26 to 26/02/26. Timezone: UTC+1.00