Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Full Moon 99%

16:21

10:02

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:47, Set: 16:41, Transit: 12:44. Moon - Rise: 16:21, Set: 10:02. Civil Dark: 17:21 - 08:06. Nautical Dark: 18:04 - 07:23. Astro Dark: 18:45 - 06:42

Total Clouds (% Sky Obscured)

100
92
86
62
95
100
100
100
91
100
100
100
100
100
100
100
100
100
64
85
100
100
100
80

Low Clouds (% Sky Obscured)

41
44
0
11
25
15
47
36
43
53
52
43
33
36
43
38
32
23
39
35
56
43
60
53

Medium Clouds (% Sky Obscured)

63
51
86
60
75
76
100
100
85
100
100
100
100
100
100
100
100
100
64
83
100
100
100
64

High 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

ISS Passover

Visibility (miles)

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

Snow
None
None
None
None
None
Snow
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

63
26
6
6
17
30
36
30
40
46
59
65
41
40
36
39
42
40
34
43
50
55
54
52

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.1
0
0
0.1
0.3
0.4
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
76
74
78
75
74
78
78
78
83
83
77
74
75
81
75
74
74
74
73
70
69
68
68

Pressure (mb)

1001
1002
1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1006
1006
1006
1007
1007
1008
1008
1008
1008

Ozone (du)

402
401
399
393
394
391
384
384
386
382
377
373
359
348
357
363
371
372
366
366
364
365
368
370

Sunday 4

Waning Gibbous 96%

17:52

10:27

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
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:46, Set: 16:42, Transit: 12:45. Moon - Rise: 17:52, Set: 10:27. Civil Dark: 17:22 - 08:06. Nautical Dark: 18:05 - 07:23. Astro Dark: 18:46 - 06:42

Total Clouds (% Sky Obscured)

88
82
87
90
94
81
85
91
91
67
47
51
51
59
58
52
39
37
19
38
41
90
100
100

Low Clouds (% Sky Obscured)

49
65
75
49
83
81
83
70
74
65
47
46
42
49
48
40
30
24
9
25
0
23
47
49

Medium Clouds (% Sky Obscured)

80
63
69
85
76
55
63
88
77
20
1
14
43
35
40
52
25
27
8
19
31
62
79
92

High 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

ISS Passover

Visibility (miles)

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

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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
38
45
54
51
34
37
35
26
12
15
27
30
29
28
26
14
16
15
9
8
13
22
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
14
12
12
12
12
11
10
9
9
9
8
8
8
7
7
8
8
8
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-2
-3
-3
-3
-3
-3
-4
-5
-4
-4
-4
-3
-3
-3
-4
-4
-3
-3
-3
-2
0

Relative Humidity (%)

69
69
72
77
74
76
74
77
77
73
71
75
80
80
83
83
83
84
86
89
87
81
83
91

Pressure (mb)

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

Ozone (du)

365
371
379
385
387
389
395
394
398
398
400
396
396
405
413
417
422
425
423
413
407
403
403
400

Monday 5

Waning Gibbous 91%

19:23

10:44

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

Sun - Rise: 08:46, Set: 16:43, Transit: 12:45. Moon - Rise: 19:23, Set: 10:44. Civil Dark: 17:23 - 08:06. Nautical Dark: 18:06 - 07:23. Astro Dark: 18:47 - 06:42

Total Clouds (% Sky Obscured)

97
74
62
82
35
51
53
66
43
1
24
1
2
2
2
7
17
15
11
11
50
44
53
48

Low Clouds (% Sky Obscured)

58
52
48
42
14
48
53
63
42
0
24
1
1
1
1
7
17
14
10
6
23
40
53
48

Medium Clouds (% Sky Obscured)

94
61
44
58
27
0
7
25
11
1
0
0
0
0
0
0
2
2
2
6
45
2
20
11

High 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

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
4
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
2
4
5
8
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
17
24
29
23
25
45
37
18
3
1
0
0
0
0
0
0
0
2
7
13
11
8
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
92
89
80
74
74
77
81
84
89
91
92
92
92
92
92
92
92
89
86
84
88

Pressure (mb)

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

Ozone (du)

401
398
398
398
396
398
395
398
406
408
407
402
397
397
397
395
391
392
389
388
389
386
384
384

Tuesday 6

Waning Gibbous 83%

20:49

10:57

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

Sun - Rise: 08:45, Set: 16:44, Transit: 12:45. Moon - Rise: 20:49, Set: 10:57. Civil Dark: 17:24 - 08:05. Nautical Dark: 18:07 - 07:22. Astro Dark: 18:48 - 06:41

Total Clouds (% Sky Obscured)

68
66
63
53
38
23
6
0
1
1
2
6
14
15
19
24
28
28
24
25
30
30
35
40

Low Clouds (% Sky Obscured)

52
51
49
42
29
17
6
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
20
20

Medium Clouds (% Sky Obscured)

39
27
27
53
1
0
0
0
0
1
2
3
14
15
19
24
28
28
24
25
30
30
35
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
16
11
10
5
5
5
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

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 (%)

13
10
18
21
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-2
-3
-3
-4
-4
-4
-4
-4
-5
-5
-6
-7
-8
-8
-8
-8
-9
-9
-10
-9
-9
-8

Dew Point (°C)

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

Relative Humidity (%)

91
94
98
100
100
96
92
87
82
82
82
84
86
84
81
78
78
78
78
78
76
75
76
75

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

385
384
388
388
388
390
391
389
390
395
394
389
387
389
393
395
399
406
409
408
406
405
403
402

Wednesday 7

Waning Gibbous 74%

22:09

11:07

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

Sun - Rise: 08:45, Set: 16:46, Transit: 12:46. Moon - Rise: 22:09, Set: 11:07. Civil Dark: 17:25 - 08:05. Nautical Dark: 18:09 - 07:22. Astro Dark: 18:50 - 06:41

Total Clouds (% Sky Obscured)

30
30
20
10
10
5
0
5
5
10
15
10
15
15
5
5
5
0
0
10
13
14
11
11

Low Clouds (% Sky Obscured)

20
10
5
5
5
5
0
5
5
10
15
10
10
15
5
5
3
0
0
0
0
0
0
7

Medium Clouds (% Sky Obscured)

30
30
20
10
10
5
0
5
5
10
15
10
15
15
5
5
5
0
0
10
13
14
2
2

High 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

ISS Passover

Visibility (miles)

9
9
8
3
0
0
0
0
0
0
1
0
2
3
5
6
8
9
7
5
4
5
7
9

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

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 (%)

10
17
28
43
38
37
34
29
24
26
25
38
36
21
27
24
5
10
9
3
4
5
6
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-8
-8
-9
-8
-8
-8
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

77
77
77
81
89
92
92
92
94
92
92
94
92
94
92
94
92
94
92
90
90
87
86
82

Pressure (mb)

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

Ozone (du)

401
400
396
396
396
393
391
392
392
390
390
393
388
382
377
365
354
342
339
335
332
338
345
351

Thursday 8

Waning Gibbous 64%

23:26

11:17

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 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:44, Set: 16:47, Transit: 12:46. Moon - Rise: 23:26, Set: 11:17. Civil Dark: 17:27 - 08:05. Nautical Dark: 18:10 - 07:22. Astro Dark: 18:51 - 06:41

Total Clouds (% Sky Obscured)

7
4
4
4
3
5
5
5
6
8
14
24
32
40
60
83
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
2
2
2
2
1
1
1
1
1
1
1
2
2
6
9
13
9
5
2
9
17
28
50

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
4
8
12
36
61
86
91
96
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
6
8
14
23
14
6
34
67
100
100
100
100
68
37
5
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
7
5
2

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
24
33
60

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-5
-5
-5
-5
-7
-7
-7
-7
-8
-7
-9
-10
-11
-10
-10
-11
-11
-11
-11
-10
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

86
87
87
89
89
89
90
90
89
90
89
89
90
89
90
90
90
89
87
85
85
86
86
86

Pressure (mb)

1021
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1017
1015
1014
1013
1011
1010
1009
1007
1006

Ozone (du)

352
354
355
354
353
351
349
348
346
345
344
343
343
343
343
341
339
337
338
339
340
341
343
344

Friday 9

Waning Gibbous 54%

00:40

11:28

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:44, Set: 16:48, Transit: 12:47. Moon - Rise: 00:40, Set: 11:28. Civil Dark: 17:28 - 08:04. Nautical Dark: 18:11 - 07:21. Astro Dark: 18:52 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
100
100
99
98
97
97
97
97
96
95
94

Low Clouds (% Sky Obscured)

68
85
87
90
92
94
97
100
97
94
92
92
91
91
92
93
94

Medium Clouds (% Sky Obscured)

100
100
98
97
97
97
97
97
91
86
81
72
62
53
45
38
30

High Clouds (% Sky Obscured)

70
99
90
81
72
48
25
3
2
2
0
2
4
5
4
3
2

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

78
92
95
95
95
91
87
82
74
69
65
57
51
46
47
47
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
17
18
17
17
16
15
14
13
13
11
10
10
10
10
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-11
-11
-11
-11
-11
-11
-11
-10
-10
-10
-6
-6
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

89
91
94
94
94
94
94
94
96
96
98
100
100
100
100
100
100

Pressure (mb)

1005
1004
1002
1002
1001
1001
1000
1000
1000
999
999
999
999
998
998
998
999

Ozone (du)

343
343
342
348
354
360
365
369
374
370
366
362
368
374
380
381
382

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 03/01/26 13:34:51. Forecast: 03/01/26 to 09/01/26. Timezone: UTC+1.00