Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waxing Crescent 15%

12:58

19:15

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

Sun - Rise: 07:58, Set: 16:51, Transit: 12:23. Moon - Rise: 12:58, Set: 19:15. Civil Dark: 17:28 - 07:20. Nautical Dark: 18:09 - 06:39. Astro Dark: 18:49 - 05:59

Total Clouds (% Sky Obscured)

52
59
67
66
80
88
88
100
95
85
62
43
33
45
36
53
59
37
43
13
13
24
38
34

Low Clouds (% Sky Obscured)

52
59
67
52
74
84
64
100
90
79
61
41
30
40
30
20
25
1
4
0
0
14
24
19

Medium Clouds (% Sky Obscured)

36
40
22
23
37
11
37
33
52
44
11
0
0
0
0
0
0
0
0
1
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
1
2
3
3
3
4
7
8
42
50
37
43
12
13
8
8
9

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
7
1
4
3
4
5
6
7
10
1
0
0
1
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
6
6
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
7
7
8
7
6

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
5
5
5
5
5
5
4
3
3
2
2
3
5
6
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
74
76
79
78
78
78
80
82
79
79
83
85
86
86
88
88
85
79
72
69
66
68
70

Pressure (mb)

1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1018
1018

Ozone (du)

277
275
274
273
276
278
277
276
274
274
277
280
277
274
273
274
277
276
275
268
262
261
261
261

Saturday 14

Waxing Crescent 24%

13:22

20:24

16 OK
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 OK
00 OK
01 OK
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

Sun - Rise: 07:59, Set: 16:49, Transit: 12:24. Moon - Rise: 13:22, Set: 20:24. Civil Dark: 17:27 - 07:22. Nautical Dark: 18:08 - 06:41. Astro Dark: 18:48 - 06:01

Total Clouds (% Sky Obscured)

27
29
37
29
21
9
18
37
41
34
78
92
98
83
100
96
81
85
100
100
100
77
68
100

Low Clouds (% Sky Obscured)

18
18
18
20
15
0
0
18
23
25
21
20
16
4
0
50
72
82
100
95
85
68
30
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
50
18
100
91
55
65
45
2
72
22
50
51

High Clouds (% Sky Obscured)

5
8
19
7
3
9
18
37
41
6
44
82
96
75
63
82
54
40
50
100
73
12
68
100

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
3
10
37
30
4
0
1
1
6
31

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)

5
5
5
6
6
6
7
7
7
7
7
7
7
8
8
8
10
11
12
15
16
14
15
14

Chance of Frost

Temperature (°C)

7
5
4
3
3
3
2
2
2
1
1
1
0
1
1
1
2
3
5
6
7
8
9
10

Feels Like (°C)

7
4
3
1
1
1
0
-1
-1
-2
-2
-1
-3
-3
-3
-3
-3
-1
-0
1
1
3
5
7

Dew Point (°C)

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

Relative Humidity (%)

77
83
85
86
88
86
85
84
84
83
81
81
81
81
78
80
79
88
91
93
76
75
73
76

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1014
1013
1012
1011
1010
1009
1008
1007
1006
1006
1006
1005
1005
1004
1003
1001
1000

Ozone (du)

264
265
265
263
262
262
263
267
266
266
266
268
271
270
273
276
280
285
284
288
287
287
289
289

Sunday 15

Waxing Crescent 33%

13:39

21:37

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
14 Bad
15 Bad

Sun - Rise: 08:01, Set: 16:48, Transit: 12:24. Moon - Rise: 13:39, Set: 21:37. Civil Dark: 17:25 - 07:23. Nautical Dark: 18:07 - 06:42. Astro Dark: 18:46 - 06:02

Total Clouds (% Sky Obscured)

100
100
77
83
83
96
80
98
92
80
99
90
95
94
93
100
93
86
93
83
72
75
79
70

Low Clouds (% Sky Obscured)

100
92
77
83
83
76
58
91
85
71
79
69
86
89
88
90
72
80
70
77
63
66
64
51

Medium Clouds (% Sky Obscured)

51
94
55
55
75
65
55
97
74
38
72
66
81
32
65
70
53
61
59
0
0
9
36
46

High Clouds (% Sky Obscured)

100
100
45
50
45
45
0
5
45
2
49
51
81
25
65
0
0
0
0
50
50
52
54
28

ISS Passover

Visibility (miles)

9
9
9
3
2
8
9
5
9
9
9
9
6
7
8
9
9
9
9
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

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

Precipitation Probability (%)

76
56
95
95
95
58
61
52
38
26
42
63
51
44
50
52
62
54
49
34
22
13
2
1

Precipitation Amount (mm)

0.4
0
0.7
1.1
1.8
0
0.3
0
0
0
0
0.3
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
17
17
16
17
21
19
18
18
19
17
18
17
16
12
9
9
11
11
13
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
81
88
91
93
88
91
90
90
85
85
87
81
84
82
81
78
75
73
75
78
74
69

Pressure (mb)

999
998
997
996
995
994
995
995
995
995
995
995
995
996
997
998
999
1000
1002
1003
1003
1004
1004
1004

Ozone (du)

289
288
284
285
294
302
307
327
334
329
328
337
333
336
332
321
322
326
322
318
311
305
301
301

Monday 16

Waxing Crescent 43%

13:54

22:51

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
14 Bad
15 Bad

Sun - Rise: 08:03, Set: 16:47, Transit: 12:24. Moon - Rise: 13:54, Set: 22:51. Civil Dark: 17:24 - 07:25. Nautical Dark: 18:05 - 06:44. Astro Dark: 18:45 - 06:04

Total Clouds (% Sky Obscured)

85
87
90
92
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

36
21
20
14
8
55
63
71
78
83
88
93
94
95
97
96
94
92
94
96
100
93
87
81

Medium Clouds (% Sky Obscured)

54
60
84
89
95
100
100
100
100
100
99
99
99
99
100
100
100
100
88
91
92
46
98
100

High Clouds (% Sky Obscured)

50
47
45
43
82
100
100
100
100
84
68
55
70
84
100
100
100
100
65
65
65
65
78
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
3
3
4
3
0
1
2
8
7
6
9
4
8
5
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
None
None
Light Rain
Light Rain

Precipitation Probability (%)

5
8
2
3
4
3
30
71
95
95
95
95
95
95
95
95
95
95
95
95
68
72
92
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.7
0.6
0.7
1.7
3.2
3.6
2.4
2.3
2.5
2.3
2.8
0.9
0
0
0.4
0.4

Wind Speed/Direction (mph)

13
11
9
8
7
7
7
8
7
9
11
13
13
15
17
20
21
18
18
17
17
21
23
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
68
70
69
72
77
83
88
91
94
96
96
98
94
94
91
90
91
90
93
84
79
78
85

Pressure (mb)

1004
1004
1004
1004
1003
1003
1002
1000
998
996
993
989
986
983
981
978
976
975
974
974
975
976
977
979

Ozone (du)

300
303
305
298
294
290
286
281
280
279
277
275
273
272
271
274
276
280
283
286
289
300
302
300

Tuesday 17

First Quarter 53%

14:06

00:05

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
14 Bad
15 Bad

Sun - Rise: 08:04, Set: 16:45, Transit: 12:24. Moon - Rise: 14:06, Set: 00:05. Civil Dark: 17:23 - 07:27. Nautical Dark: 18:04 - 06:45. Astro Dark: 18:44 - 06:05

Total Clouds (% Sky Obscured)

99
99
98
94
90
85
90
95
100
100
100
100
100
100
100
87
92
98
99
100
100
98
96
94

Low Clouds (% Sky Obscured)

74
69
67
66
67
71
72
76
55
68
92
82
94
89
73
60
71
83
86
91
95
94
92
91

Medium Clouds (% Sky Obscured)

99
99
98
84
90
29
23
56
68
79
89
100
100
100
100
69
65
60
66
71
75
80
86
93

High Clouds (% Sky Obscured)

89
79
69
65
32
18
53
77
100
100
100
100
100
100
100
72
59
43
32
26
23
29
29
29

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

47
54
59
64
40
25
24
15
24
46
64
64
71
67
72
25
37
49
58
63
63
61
59
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
17
16
17
13
8
7
6
5
5
5
4
6
7
7
7
6
6
5
4
4
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
79
82
85
88
89
89
89
93
94
93
94
94
93
91
90
90
91
90
90
88
91
91

Pressure (mb)

981
982
984
985
986
988
988
988
987
987
985
984
983
983
983
983
987
988
989
989
990
990
990
991

Ozone (du)

305
309
309
312
311
310
307
312
314
321
332
345
348
347
349
352
355
358
361
359
357
355
354
352

Wednesday 18

Waxing Gibbous 63%

14:17

01:20

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
14 Bad
15 Bad

Sun - Rise: 08:06, Set: 16:44, Transit: 12:24. Moon - Rise: 14:17, Set: 01:20. Civil Dark: 17:22 - 07:28. Nautical Dark: 18:03 - 06:46. Astro Dark: 18:43 - 06:06

Total Clouds (% Sky Obscured)

90
85
82
69
53
39
57
78
99
97
94
86
82
77
67
67
68
68
68
72
72
77
77
77

Low Clouds (% Sky Obscured)

89
85
82
69
53
39
57
68
70
61
53
44
43
48
61
67
68
68
68
60
48
42
37
38

Medium Clouds (% Sky Obscured)

90
85
82
69
53
39
57
78
96
74
53
36
39
36
30
27
24
20
15
15
15
20
25
30

High Clouds (% Sky Obscured)

29
30
40
50
50
39
57
61
65
64
49
36
26
17
12
17
27
38
43
49
60
65
65
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

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 (%)

50
47
45
40
34
21
18
16
10
14
14
3
9
11
5
7
9
3
9
11
7
13
11
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
90
88
88
86
86
86
86
86
85
83
80
80
79
79
77
77
76
71
67
62
65
67

Pressure (mb)

991
991
992
992
993
993
993
994
995
995
996
997
997
998
999
1000
1001
1002
1003
1003
1004
1004
1004
1004

Ozone (du)

351
347
343
338
338
338
338
340
343
345
341
338
334
335
335
336
337
338
340
338
336
334
334
333

Thursday 19

Waxing Gibbous 73%

14:28

02:37

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

Sun - Rise: 08:08, Set: 16:43, Transit: 12:25. Moon - Rise: 14:28, Set: 02:37. Civil Dark: 17:21 - 07:30. Nautical Dark: 18:02 - 06:48. Astro Dark: 18:42 - 06:08

Total Clouds (% Sky Obscured)

77
68
63
63
67
72
81
90
99
99
99
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

34
36
38
44
45
45
47
50
44
35
30
33
37
41
45
63
70
81
86
92
97

Medium Clouds (% Sky Obscured)

35
35
35
35
35
30
33
36
39
54
62
73
69
65
61
65
64
63
61
59
56

High Clouds (% Sky Obscured)

70
60
55
56
57
63
71
82
95
91
88
87
85
91
95
93
90
88
74
61
47

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

Fog (%)

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

Precipitation Probability (%)

9
12
12
27
28
21
25
17
2
2
1
0
0
0
1
3
4
5
8
8
4

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
7
4
4
4
4
4
3
0
-1
-1
-2
-1
-2
-2
-3
-3
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

71
72
75
76
78
80
80
82
83
85
85
85
85
83
82
80
79
74
73
72
69

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006

Ozone (du)

333
330
327
324
322
319
317
316
315
315
316
317
318
318
318
319
320
321
322
323
323

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

Generated: 13/11/26 16:19:10. Forecast: 13/11/26 to 19/11/26. Timezone: UTC+1.00