Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 74%

22:12

11:08

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: 08:40, Set: 16:54, Transit: 12:47. Moon - Rise: 22:12, Set: 11:08. Civil Dark: 17:32 - 08:01. Nautical Dark: 18:14 - 07:20. Astro Dark: 18:54 - 06:40

Total Clouds (% Sky Obscured)

89
87
84
76
98
97
100
98
88
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
82
64
73
65
45
48
51
51
53
48
65
79
90
100
99
100
100
50
60
98
100
100
92

Medium Clouds (% Sky Obscured)

2
10
48
76
91
90
100
95
75
49
46
69
90
87
100
99
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

14
10
16
15
9
34
67
20
14
86
100
100
88
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
7
1
9
9
9
9
9
9
9
6
0
0
0
0
0
0
0
0
0
0
1
1
3

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

Precipitation Probability (%)

0
0
0
4
2
1
1
1
6
28
45
55
65
54
35
10
14
8
27
44
65
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.3
0
0
0
0
0
0
0
0.8
1.5
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
1
0
0
1
1
1
1
1
1
0
1
1
1
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
94
94
92
93
92
92
94
96
100
98
98
100
98
100
100
100
98
98
100
98
98

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1006
1006
1006
1006
1006
1005
1004
1004
1003
1002
1001
999
997

Ozone (du)

334
325
324
327
328
329
331
333
334
335
336
336
333
332
329
327
326
329
323
321
319
321
325
325

Thursday 8

Waning Gibbous 64%

23:27

11:19

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: 08:39, Set: 16:55, Transit: 12:47. Moon - Rise: 23:27, Set: 11:19. Civil Dark: 17:33 - 08:01. Nautical Dark: 18:15 - 07:19. Astro Dark: 18:55 - 06:40

Total Clouds (% Sky Obscured)

100
100
85
61
87
94
92
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
76
59
74
74
80
98
100
100
100
100
92
100
100
100
100
89
86
91
92
90
100
85

Medium Clouds (% Sky Obscured)

100
100
47
15
80
52
41
42
97
100
100
100
73
100
100
100
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
15
10
10
0
0
0
0
0
0
10
0
20
100
100
95
85
85
85
97
100
100
100

ISS Passover

Visibility (miles)

3
9
9
2
9
9
9
9
8
2
0
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
2
2
0
1
0
1
5
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
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
Light Rain

Precipitation Probability (%)

95
95
95
95
59
33
58
92
95
95
95
95
95
95
95
95
95
95
95
92
86
89
93
86

Precipitation Amount (mm)

1.1
1.5
0.9
1.2
0
0
0
0.6
0.7
1
1.2
1.6
1.3
1.5
1.7
1.9
1.5
1.1
0.8
0.4
0.4
0.5
0.6
0.4

Wind Speed/Direction (mph)

15
16
17
18
22
21
26
27
29
27
29
32
30
28
26
25
24
25
25
24
22
21
21
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-2
-1
-1
-1
-2
-5
-7
-8
-9
-10
-10
-8
-7
-7
-6
-6
-6
-6
-6
-6
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
91
86
85
76
83
88
94
94
94
96
96
96
96
96
96
96
96
96
96
96
96

Pressure (mb)

995
993
990
988
986
984
984
982
980
979
978
979
981
983
985
986
987
988
989
990
990
991
991
992

Ozone (du)

330
333
331
333
340
352
360
360
358
361
358
355
358
356
370
379
376
377
379
381
380
384
384
386

Friday 9

Waning Gibbous 54%

00:39

11:31

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: 08:39, Set: 16:57, Transit: 12:48. Moon - Rise: 00:39, Set: 11:31. Civil Dark: 17:35 - 08:01. Nautical Dark: 18:16 - 07:19. Astro Dark: 18:56 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
95
96
96
95
95
96
97
96
95
94
89
83

Low Clouds (% Sky Obscured)

81
81
97
88
87
85
87
88
91
89
87
88
89
89
86
89
85
82
79
64
51
42
33
23

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
95
94
96
95
84
82
40
89
95
94
28
26

High Clouds (% Sky Obscured)

100
100
100
100
100
96
100
73
81
26
19
29
17
16
18
10
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
2
2
0
0
87
87
100
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

80
84
95
95
95
95
95
95
95
95
89
82
82
78
69
56
46
44
45
53
54
37
24
24

Precipitation Amount (mm)

0.3
0.4
0.7
0.9
0.8
0.8
0.7
0.8
0.7
0.7
0.6
0.5
0.5
0.5
0.3
0.2
0.1
0.1
0.1
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

19
18
18
17
17
16
15
15
15
14
13
12
11
11
11
10
10
10
9
8
9
9
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-5
-6
-6
-6
-6
-6
-6
-7
-7
-6
-6
-6
-6
-6
-6
-7
-7
-8

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

993
993
994
995
995
996
997
998
998
999
1000
1002
1003
1004
1006
1007
1008
1008
1010
1011
1012
1013
1015
1016

Ozone (du)

392
399
401
400
403
407
409
401
394
393
394
396
392
387
387
384
379
383
385
385
379
377
375
373

Saturday 10

Third Quarter 45%

01:51

11:44

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

Sun - Rise: 08:38, Set: 16:58, Transit: 12:48. Moon - Rise: 01:51, Set: 11:44. Civil Dark: 17:36 - 08:00. Nautical Dark: 18:17 - 07:19. Astro Dark: 18:57 - 06:39

Total Clouds (% Sky Obscured)

79
67
56
45
33
22
10
8
7
1
2
1
2
20
35
50
66
61
92
95
97
98
100
100

Low Clouds (% Sky Obscured)

13
14
24
30
23
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1

Medium Clouds (% Sky Obscured)

25
20
11
7
5
2
0
0
0
0
0
0
0
8
17
23
25
31
38
40
47
45
50
40

High Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
16
32
51
67
84
98
100
100

ISS Passover

Visibility (miles)

0
1
1
1
2
2
4
6
8
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 (%)

19
18
4
16
1
5
0
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-9
-10
-10
-10
-10
-9
-9
-8
-8
-9
-8
-7
-7
-7
-8
-6
-7
-8
-9
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
90
89
89
90
92
94
92
92
94
87
80
72
65
66
73
81
84
87
86
84
85

Pressure (mb)

1017
1018
1019
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1020
1020
1019
1018

Ozone (du)

374
373
373
372
371
371
373
372
371
370
366
361
354
343
335
332
330
325
323
325
327
329
331
334

Sunday 11

Waning Crescent 35%

03:03

11:59

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: 08:37, Set: 16:59, Transit: 12:48. Moon - Rise: 03:03, Set: 11:59. Civil Dark: 17:37 - 08:00. Nautical Dark: 18:19 - 07:18. Astro Dark: 18:58 - 06:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
96

Low Clouds (% Sky Obscured)

1
24
47
70
74
93
98
99
99
100
92
90
87
89
90
93
94
94
96
95
95
95
90
87

Medium Clouds (% Sky Obscured)

100
98
96
94
96
98
100
100
100
100
98
99
100
100
100
100
80
62
46
37
26
10
9
8

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
68
37
4
6
4
7
4
18

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
5
0
0
9
9
9
9
9
9
9
6
3
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

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

Precipitation Probability (%)

0
3
4
3
17
33
46
86
85
51
44
38
30
23
18
16
30
36
37
59
71
78
65
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.6
0.6
0.1
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-9
-9
-9
-8
-8
-7
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-3
-3
-2
-2
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

84
82
82
82
84
86
86
86
96
94
88
89
89
89
93
94
98
98
98
100
100
98
98
100

Pressure (mb)

1017
1017
1016
1015
1014
1013
1012
1011
1010
1010
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

334
325
316
313
313
313
314
314
315
320
322
324
325
326
327
328
329
329
328
327
325
322
320
318

Monday 12

Waning Crescent 26%

04:16

12:20

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: 08:37, Set: 17:01, Transit: 12:49. Moon - Rise: 04:16, Set: 12:20. Civil Dark: 17:39 - 07:59. Nautical Dark: 18:20 - 07:18. Astro Dark: 18:59 - 06:38

Total Clouds (% Sky Obscured)

95
96
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
93
98
99
97
95
91
88
86
86
85
79
74
74
76
80
76
72
68
68
65
53
52
51

Medium Clouds (% Sky Obscured)

7
22
40
55
70
85
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
99
99
99

High Clouds (% Sky Obscured)

10
9
18
30
65
83
100
100
100
100
100
100
100
99
99
98
99
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
1
2
3
5
7
8
7
6
5
6
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

29
24
17
5
4
3
0
1
2
2
13
23
33
52
64
73
76
73
68
67
64
55
47
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.3
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
100
98
98
98
98
98
98
98
98
98
98
96
94
96
94
94
96
94
94
93
94

Pressure (mb)

1011
1012
1012
1012
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011

Ozone (du)

317
315
313
311
309
309
308
307
308
310
311
311
311
312
316
320
325
324
323
321
323
325
327
327

Tuesday 13

Waning Crescent 18%

05:27

12:47

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: 08:36, Set: 17:02, Transit: 12:49. Moon - Rise: 05:27, Set: 12:47. Civil Dark: 17:40 - 07:58. Nautical Dark: 18:21 - 07:17. Astro Dark: 19:01 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
55
59
65
59
51
45
44
43
42
50
55
66
71
76
83

Medium Clouds (% Sky Obscured)

96
98
98
100
100
100
100
100
100
100
98
96
94
96
98
100

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

24
28
32
32
29
27
26
30
39
47
49
42
27
45
53
65

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

12
12
12
12
13
13
13
13
13
13
14
13
13
13
13
14

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
91
91
91
91
93
93
93
91
93
88
85

Pressure (mb)

1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

327
327
327
327
327
328
328
329
329
329
330
328
326
323
332
340

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

Generated: 07/01/26 21:28:50. Forecast: 07/01/26 to 13/01/26. Timezone: UTC+1.00