Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 30%

09:09

23:35

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

Sun - Rise: 07:40, Set: 18:11, Transit: 12:55. Moon - Rise: 09:09, Set: 23:35. Civil Dark: 18:45 - 07:06. Nautical Dark: 19:23 - 06:28. Astro Dark: 20:01 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
97
99
96

Low Clouds (% Sky Obscured)

100
92
91
90
78
96
92
86
86
91
94
81
98
94
100
91
94
83
87
84
92
95
95
92

Medium Clouds (% Sky Obscured)

96
99
94
94
93
39
78
54
60
78
93
100
96
98
100
97
100
100
100
100
100
83
97
30

High Clouds (% Sky Obscured)

100
99
36
60
46
94
100
100
100
100
100
81
100
43
100
100
100
100
90
100
100
20
20
36

ISS Passover

Visibility (miles)

9
3
9
7
9
9
9
9
9
9
9
9
9
5
9
6
4
8
9
4
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None

Precipitation Probability (%)

44
61
95
60
42
34
11
13
12
6
26
53
92
85
95
95
95
95
95
95
81
55
51
29

Precipitation Amount (mm)

0
0
0.8
0.3
0
0
0
0
0
0
0
0
0.6
0.4
0.7
1.2
1.5
0.7
1.1
1
0.5
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

7
7
8
8
8
7
7
7
8
7
7
7
7
6
6
7
6
7
7
7
7
7
7
7

Dew Point (°C)

10
10
10
11
11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

91
95
95
95
96
95
92
88
93
88
90
92
90
91
90
91
91
91
90
93
91
93
93
93

Pressure (mb)

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

Ozone (du)

294
295
301
306
309
311
313
314
315
319
322
326
330
337
338
340
344
349
351
353
352
356
359
361

Sunday 22

Waxing Crescent 41%

09:31

01:02

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

Sun - Rise: 07:37, Set: 18:13, Transit: 12:55. Moon - Rise: 09:31, Set: 01:02. Civil Dark: 18:46 - 07:04. Nautical Dark: 19:25 - 06:26. Astro Dark: 20:03 - 05:48

Total Clouds (% Sky Obscured)

97
100
100
98
89
73
97
91
86
92
100
99
100
100
97
98
95
90
89
96
93
94
96
97

Low Clouds (% Sky Obscured)

83
78
76
72
70
72
97
90
81
84
99
84
62
91
54
84
64
47
51
61
55
51
47
53

Medium Clouds (% Sky Obscured)

23
100
100
46
9
3
3
0
0
0
1
3
4
82
97
98
95
90
89
95
90
78
82
83

High Clouds (% Sky Obscured)

82
100
92
84
32
4
10
29
51
60
35
90
100
94
17
43
38
13
39
32
20
23
32
37

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
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
18
7
2
2
6
4
3
1
0
1
1
2
15
3
4
4
7
21
17
24
43
55
69

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
5
6
6
6
5
4
3
3
3
4
4
4
5
6
5
6
6
6
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

88
85
87
87
88
91
90
84
80
78
75
75
78
80
81
80
75
70
70
68
73
73
84
87

Pressure (mb)

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

Ozone (du)

360
373
387
390
373
362
360
362
365
366
365
363
364
364
364
365
365
364
362
360
358
357
356
356

Monday 23

Waxing Crescent 53%

10:02

02:29

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
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 07:35, Set: 18:15, Transit: 12:55. Moon - Rise: 10:02, Set: 02:29. Civil Dark: 18:48 - 07:02. Nautical Dark: 19:26 - 06:24. Astro Dark: 20:04 - 05:46

Total Clouds (% Sky Obscured)

96
100
96
95
93
93
97
95
99
96
100
92
95
95
75
95
84
92
75
48
84
85
71
22

Low Clouds (% Sky Obscured)

39
80
94
85
86
90
95
90
98
90
99
76
87
94
70
95
82
90
68
37
35
37
33
5

Medium Clouds (% Sky Obscured)

91
97
91
91
85
84
68
46
32
36
47
45
24
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

13
10
7
8
10
11
11
3
5
34
6
5
5
8
2
2
1
1
4
1
63
57
39
22

ISS Passover

Visibility (miles)

5
9
9
4
7
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

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

Precipitation Probability (%)

68
66
71
95
61
17
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0
0.4
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
93
91
91
93
93
91
93
91
91
88
86
79
74
78
78
78
76
76
76
80

Pressure (mb)

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

Ozone (du)

354
351
349
344
341
340
340
340
341
342
342
342
343
342
342
344
345
347
349
350
352
354
355
356

Tuesday 24

First Quarter 64%

10:46

03:51

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

Sun - Rise: 07:33, Set: 18:17, Transit: 12:55. Moon - Rise: 10:46, Set: 03:51. Civil Dark: 18:50 - 07:00. Nautical Dark: 19:28 - 06:22. Astro Dark: 20:06 - 05:44

Total Clouds (% Sky Obscured)

5
23
43
61
47
23
2
11
22
29
19
10
0
1
9
26
50
54
78
95
98
99
90
67

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
5
10
14
13
8
4
21
37

High Clouds (% Sky Obscured)

4
23
43
61
47
23
2
11
22
29
19
10
0
1
2
3
32
54
78
92
94
96
88
67

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
7
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
9
9
9
9
9
8
8
8
9
10
11
12
14
14
15
17
17
15
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
88
88
88
88
90
90
90
90
90
85
77
71
67
64
64
61
61
68
74
79
83

Pressure (mb)

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

Ozone (du)

357
357
355
356
356
356
358
358
358
359
362
361
362
363
362
364
365
365
364
363
361
357
356
354

Wednesday 25

Waxing Gibbous 75%

11:48

05:00

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

Sun - Rise: 07:31, Set: 18:18, Transit: 12:55. Moon - Rise: 11:48, Set: 05:00. Civil Dark: 18:51 - 06:58. Nautical Dark: 19:30 - 06:20. Astro Dark: 20:08 - 05:42

Total Clouds (% Sky Obscured)

54
57
58
57
56
58
73
84
72
76
82
79
79
66
57
49
52
59
65
60
60
50
60
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
16
23
29
36
42
46
46
47
52
59
65
60
60
50
53
51

Medium Clouds (% Sky Obscured)

54
54
50
45
50
46
48
51
46
40
46
55
62
44
18
0
16
32
44
45
32
35
25
15

High Clouds (% Sky Obscured)

54
57
58
57
56
58
73
69
38
8
8
8
8
9
9
10
41
59
65
60
60
50
60
56

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
10
17
28
29
27
44
27
6
13
18
12
39
49

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
88
87
88
90
90
91
93
91
91
90
85
80
74
70
66
65
65
63
68
73
79
80

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

353
353
353
352
352
356
356
356
358
361
362
367
371
375
378
384
393
392
390
389
387
384
382
381

Thursday 26

Waxing Gibbous 75%

13:06

05:50

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

Sun - Rise: 07:29, Set: 18:20, Transit: 12:55. Moon - Rise: 13:06, Set: 05:50. Civil Dark: 18:53 - 06:56. Nautical Dark: 19:31 - 06:18. Astro Dark: 20:09 - 05:40

Total Clouds (% Sky Obscured)

62
70
77
81
77
69
70
65
65
65
50
55
65
55
50
45
45
46
51
56
57
68
71
70

Low Clouds (% Sky Obscured)

45
49
49
49
50
50
51
58
61
65
50
55
65
48
34
24
18
16
21
22
22
30
32
35

Medium Clouds (% Sky Obscured)

10
0
4
4
8
5
10
10
10
10
10
10
10
10
15
10
10
10
10
11
12
13
15
22

High Clouds (% Sky Obscured)

62
70
77
81
77
69
70
65
40
40
30
30
45
55
50
45
45
46
51
56
57
68
71
70

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

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

Precipitation Probability (%)

52
41
23
6
7
7
14
43
63
79
81
89
82
75
70
65
56
44
24
17
12
6
4
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
11
9
9
9
10
10
9
9
9
8
9
9
10
14
14
13
14
13
14
9

Dew Point (°C)

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

Relative Humidity (%)

83
86
85
87
87
88
88
90
88
88
87
84
81
77
72
68
64
62
63
62
64
69
72
78

Pressure (mb)

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

Ozone (du)

379
378
375
371
368
366
364
363
361
360
358
359
360
361
362
363
364
364
365
365
365
366
366
370

Friday 27

Waxing Gibbous 85%

14:32

06:25

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:27, Set: 18:22, Transit: 12:55. Moon - Rise: 14:32, Set: 06:25. Civil Dark: 18:55 - 06:54. Nautical Dark: 19:33 - 06:16. Astro Dark: 20:11 - 05:38

Total Clouds (% Sky Obscured)

77
81
84
88
86
84
79
85
90
96
97
99
100
87
71
57
60
62
69
74
82
86

Low Clouds (% Sky Obscured)

34
52
60
70
67
68
65
69
73
77
71
57
49
43
40
38
34
32
29
35
42
48

Medium Clouds (% Sky Obscured)

28
49
65
80
80
75
70
59
44
33
34
39
55
40
25
11
30
47
40
15
5
5

High Clouds (% Sky Obscured)

77
69
45
20
23
42
45
55
75
85
80
75
70
51
39
27
24
15
7
8
9
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

Fog (%)

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

Precipitation Probability (%)

0
0
0
0
1
0
0
1
1
0
0
0
0
2
1
0
0
0
0
4
8
14

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
91
93
94
93
91
90
88
90
90
84
78
73
68
62
56
55
54
53
56
60

Pressure (mb)

1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1022
1021
1021
1020
1019
1018

Ozone (du)

374
378
378
378
379
380
382
384
381
379
376
375
374
373
374
375
375
374
373
372
369
367

Forecast for Brussels, Bruxelles-Capitale, Kingdom of Belgium (50.85,4.35)

Generated: 21/02/26 21:45:11. Forecast: 21/02/26 to 27/02/26. Timezone: UTC+1.00