Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 8

Waning Gibbous 64%

23:29

11:21

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

Sun - Rise: 08:42, Set: 16:57, Transit: 12:49. Moon - Rise: 23:29, Set: 11:21. Civil Dark: 17:35 - 08:03. Nautical Dark: 18:17 - 07:22. Astro Dark: 18:57 - 06:42

Total Clouds (% Sky Obscured)

100
100
100
100
88
84
87
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
91
78
73
79
57
71
100
88
100
96
100
100
92
100
93
95
100
100
100
93
91

Medium Clouds (% Sky Obscured)

100
100
100
100
76
59
15
60
100
100
100
100
65
70
69
93
100
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
15
15
0
0
100
10
10
10
0
0
0
0
88
10
13
30
20
17
26
98

ISS Passover

Visibility (miles)

0
4
2
2
9
9
9
9
9
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

95
95
95
95
85
35
18
8
70
95
95
95
92
95
95
86
94
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.1
1.3
0.9
1.6
0.2
0
0
0
0.3
1.5
1
0.5
0.5
0.7
0.6
0.4
0.5
0.7
1
1.3
1.2
0.9
0.7
0.7

Wind Speed/Direction (mph)

8
11
11
16
18
16
20
20
24
26
26
28
29
30
28
26
25
23
22
21
21
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
3
3
4
5
4
3
3
4
4
3
3
3
3
3
4
3
3
3
3
3
3
3

Relative Humidity (%)

100
96
96
94
93
94
81
76
78
86
93
94
94
96
96
94
94
94
96
96
94
96
96
96

Pressure (mb)

997
995
992
989
988
986
986
986
984
982
981
979
979
979
980
981
982
983
984
985
985
986
987
988

Ozone (du)

323
327
329
332
332
339
347
361
358
350
354
356
361
363
366
380
375
373
384
385
385
392
395
393

Friday 9

Waning Gibbous 54%

00:42

11:33

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

Sun - Rise: 08:41, Set: 16:58, Transit: 12:50. Moon - Rise: 00:42, Set: 11:33. Civil Dark: 17:37 - 08:03. Nautical Dark: 18:18 - 07:21. Astro Dark: 18:58 - 06:42

Total Clouds (% Sky Obscured)

100
100
100
97
100
100
100
100
100
100
100
98
97
97
96
89
95
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

91
92
100
91
100
98
100
100
100
100
100
96
94
94
92
83
91
100
100
100
89
81
76
76

Medium Clouds (% Sky Obscured)

100
100
99
95
100
100
98
96
96
93
97
97
93
91
88
82
79
50
67
69
78
74
59
45

High Clouds (% Sky Obscured)

12
10
34
39
87
80
40
5
57
19
64
28
5
21
22
16
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
100
100
52
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
87
79
73
76
72
68
66
61
55
58
57
55
51
47
38
31
28
29
29
30
27
21

Precipitation Amount (mm)

0.8
0.8
0.6
0.4
0.3
0.4
0.3
0.2
0.2
0.2
0.1
0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

21
20
19
19
19
19
18
17
17
17
17
16
14
14
13
12
11
11
10
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
98
96
96
98
98
98
96
96
98
98
98
98
98
98
96
94
96
94
94
94

Pressure (mb)

989
990
991
992
993
993
994
995
997
998
999
1000
1002
1003
1005
1007
1008
1009
1010
1011
1013
1014
1016
1017

Ozone (du)

395
398
406
412
410
406
410
407
398
390
391
388
385
382
378
379
381
387
384
379
378
376
373
370

Saturday 10

Third Quarter 45%

01:54

11:46

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
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

Sun - Rise: 08:41, Set: 17:00, Transit: 12:50. Moon - Rise: 01:54, Set: 11:46. Civil Dark: 17:38 - 08:02. Nautical Dark: 18:19 - 07:21. Astro Dark: 18:59 - 06:41

Total Clouds (% Sky Obscured)

86
77
75
78
83
83
50
35
37
38
88
72
67
82
95
98
94
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
65
66
66
71
70
48
14
7
30
44
50
66
66
72
79
76
75
72
68
49
45
40
62

Medium Clouds (% Sky Obscured)

25
22
18
22
10
10
0
5
2
0
0
0
0
4
18
28
28
28
27
29
29
29
96
100

High Clouds (% Sky Obscured)

0
0
0
0
4
22
8
19
15
13
68
20
4
47
18
2
6
35
72
100
100
100
100
100

ISS Passover

Visibility (miles)

1
2
4
1
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
3
15
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
6
5
5
6
5
5
5
4
5
4
4
5
6
6
8
9
9
10
10
10
10
11
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-4
-4
-5
-5
-5
-5
-5
-5
-6
-5
-5
-5
-5
-4
-4
-3
-3
-3
-3
-2
-2
-2

Relative Humidity (%)

94
92
91
91
89
89
87
91
91
90
89
91
91
89
89
86
84
84
84
83
84
89
89
89

Pressure (mb)

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

Ozone (du)

370
368
367
370
371
369
364
358
353
350
340
333
331
326
322
320
320
319
316
316
319
318
317
314

Sunday 11

Waning Crescent 35%

03:06

12:01

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

Sun - Rise: 08:40, Set: 17:01, Transit: 12:51. Moon - Rise: 03:06, Set: 12:01. Civil Dark: 17:39 - 08:02. Nautical Dark: 18:21 - 07:21. Astro Dark: 19:00 - 06:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92
94
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

78
95
100
95
99
94
88
82
87
92
97
95
94
94
91
87
83
79
79
76
79
82
85
77

Medium Clouds (% Sky Obscured)

100
97
100
99
99
99
99
100
100
100
100
100
97
56
87
77
69
56
51
0
17
32
59
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
37
5
37
68
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
8
7
4
4
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
Snow
Snow
Very Light Rain
Very Light Rain
None
Very Light Rain
Snow
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

18
31
52
60
61
57
52
61
55
37
9
8
9
34
61
84
72
92
58
3
2
2
1
4

Precipitation Amount (mm)

0
0
0.2
0.2
0.2
0.2
0
0.3
0.2
0
0
0
0
0
0.2
0.6
0.3
0.8
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-2
-1
-1
-1
1
2
3
4
5
5
5
5
6
6

Relative Humidity (%)

86
86
84
84
83
83
83
84
83
81
78
80
79
76
85
91
93
93
93
93
94
94
93
94

Pressure (mb)

1020
1019
1018
1017
1016
1015
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

309
307
307
308
309
313
313
311
309
308
308
309
309
308
309
310
310
310
309
309
308
308
309
310

Monday 12

Waning Crescent 26%

04:18

12:21

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

Sun - Rise: 08:39, Set: 17:03, Transit: 12:51. Moon - Rise: 04:18, Set: 12:21. Civil Dark: 17:41 - 08:01. Nautical Dark: 18:22 - 07:20. Astro Dark: 19:01 - 06:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
54
60
67
56
75
82
86
88
91
95
95
96
96
95
95
94
80
67
56
40
24
7
7

Medium Clouds (% Sky Obscured)

81
100
98
96
95
93
91
89
88
91
94
98
97
98
98
98
98
98
98
98
97
96
95
94

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
95
90
85
83
67
50
64
78
92
95
98
100
100
100
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
7
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

3
0
2
2
1
17
50
65
64
50
35
47
54
55
66
68
65
57
47
31
27
21
3
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
3
3
3
3
3
3
3
3
2
3
3
3
2
2
2
2
2
3

Dew Point (°C)

6
6
6
6
6
5
6
6
6
6
6
6
5
5
4
4
4
4
5
5
5
5
5
5

Relative Humidity (%)

94
96
94
93
93
93
93
93
94
94
94
90
87
85
82
82
81
81
81
82
84
84
85
87

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

311
313
315
316
315
312
312
312
310
311
312
313
314
315
316
318
319
320
320
320
319
320
321
322

Tuesday 13

Waning Crescent 18%

05:30

12:48

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

Sun - Rise: 08:38, Set: 17:04, Transit: 12:51. Moon - Rise: 05:30, Set: 12:48. Civil Dark: 17:42 - 08:01. Nautical Dark: 18:23 - 07:19. Astro Dark: 19:03 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
84
76
75
77
78
84
90
95
89

Low Clouds (% Sky Obscured)

6
6
18
37
65
76
78
80
80
84
92
89
86
80
69
60
48
40
37
29
37
47
59
57

Medium Clouds (% Sky Obscured)

94
94
95
96
97
98
99
100
83
65
48
34
19
10
15
25
30
28
30
23
29
35
40
28

High Clouds (% Sky Obscured)

97
95
96
98
100
100
100
100
100
100
100
96
88
74
68
62
60
45
29
24
23
51
45
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
17
21
24
28
34
38
38
38
42
53
57
53
43
30
20
11
20
25
27
21
20
25
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
87
87
87
87
88
90
90
90
90
88
85
82
81
75
73
69
69
68
68
73
78
85

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

326
330
334
337
340
343
344
345
346
350
353
357
357
357
357
354
351
348
340
332
324
323
321
320

Wednesday 14

Waning Crescent 11%

06:36

13:26

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
12 Bad

Sun - Rise: 08:38, Set: 17:06, Transit: 12:52. Moon - Rise: 06:36, Set: 13:26. Civil Dark: 17:43 - 08:00. Nautical Dark: 18:24 - 07:19. Astro Dark: 19:04 - 06:39

Total Clouds (% Sky Obscured)

83
78
85
91
98
98
98
98
99
99
100
99
98
97
97
98
98

Low Clouds (% Sky Obscured)

59
53
53
57
60
63
65
68
73
73
81
73
66
56
58
58
61

Medium Clouds (% Sky Obscured)

16
4
18
31
43
42
42
41
43
31
20
15
10
5
5
5
5

High Clouds (% Sky Obscured)

45
40
57
78
94
98
98
98
99
99
100
97
95
94
80
70
69

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
22
23
21
16
12
7
0
2
3
3
6
6
2
4
3
1

Precipitation Amount (mm)

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
8
7
7
8
8
8
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
3
3
2
2
2
2
2
1
2
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

85
85
86
85
83
83
85
85
88
91
93
96
96
96
96
93
90

Pressure (mb)

1015
1015
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1015
1015
1015
1014
1014

Ozone (du)

322
324
326
324
323
321
322
324
325
320
316
311
308
306
304
303
302

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

Generated: 08/01/26 20:41:47. Forecast: 08/01/26 to 14/01/26. Timezone: UTC+1.00