Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 3

Waxing Gibbous 98%

15:26

08:14

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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: 08:30, Set: 16:29, Transit: 12:29. Moon - Rise: 15:26, Set: 08:14. Civil Dark: 17:09 - 07:50. Nautical Dark: 17:52 - 07:07. Astro Dark: 18:33 - 06:26

Total Clouds (% Sky Obscured)

99
98
100
94
49
35
70
86
80
86
92
52
56
52
92
80
95
89
92
100
100
88
99
95

Low Clouds (% Sky Obscured)

42
43
35
34
33
35
61
79
66
76
82
49
37
45
66
47
85
76
78
78
81
83
81
91

Medium Clouds (% Sky Obscured)

96
98
100
91
33
1
25
38
33
25
20
0
22
8
65
50
48
78
68
92
100
88
98
87

High Clouds (% Sky Obscured)

8
13
5
0
0
0
0
0
0
0
5
5
6
10
37
38
40
23
32
20
19
4
5
14

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
1
0
0
0
0
0
0
0
0
0
0
0
4
1
6
19
38
37
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
4
4
4
4
4
4
3
3
4
4
3
3
3
3
3
3
3
3

Relative Humidity (%)

93
93
93
93
93
94
94
96
94
94
96
94
91
88
82
77
73
69
69
70
74
76
75
76

Pressure (mb)

1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1006
1005
1004
1004
1003
1003
1003
1003
1003
1003

Ozone (du)

292
292
297
305
308
308
309
307
306
300
295
297
300
299
297
294
295
296
292
292
294
298
305
308

Thursday 4

Waxing Gibbous 100%

16:18

09:42

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: 08:31, Set: 16:29, Transit: 12:30. Moon - Rise: 16:18, Set: 09:42. Civil Dark: 17:09 - 07:51. Nautical Dark: 17:52 - 07:08. Astro Dark: 18:33 - 06:27

Total Clouds (% Sky Obscured)

99
99
97
84
89
93
92
94
89
69
54
59
54
60
56
86
77
58
87
86
80
56
81
99

Low Clouds (% Sky Obscured)

94
85
77
62
70
84
91
89
82
69
50
47
50
60
56
38
51
51
59
53
54
19
7
25

Medium Clouds (% Sky Obscured)

81
73
56
48
61
28
19
9
8
6
0
0
0
0
0
1
1
12
14
10
71
56
38
98

High Clouds (% Sky Obscured)

79
80
53
10
6
8
1
2
1
1
0
0
0
0
0
86
66
5
38
50
14
21
71
96

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
1
100
94
100
70
75
23
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 (%)

24
24
26
25
14
4
4
9
5
4
1
1
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
87
91
94
94
93
93
93
93
93
93
94
93
86
83
79
76
79
85
86
86
86
86

Pressure (mb)

1004
1004
1004
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1009

Ozone (du)

310
309
305
306
313
316
323
327
329
330
331
334
338
340
346
350
353
356
352
346
344
340
337
331

Friday 5

Full Moon 98%

17:30

10:50

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: 08:33, Set: 16:28, Transit: 12:30. Moon - Rise: 17:30, Set: 10:50. Civil Dark: 17:08 - 07:52. Nautical Dark: 17:52 - 07:09. Astro Dark: 18:33 - 06:28

Total Clouds (% Sky Obscured)

98
94
100
100
100
100
100
100
100
100
88
90
92
100
99
100
100
100
88
100
100
91
91
91

Low Clouds (% Sky Obscured)

26
31
36
32
100
100
100
100
86
89
80
83
51
67
88
89
88
80
69
78
88
85
79
73

Medium Clouds (% Sky Obscured)

97
70
100
100
100
100
100
98
61
91
64
44
85
100
97
100
100
80
73
100
90
87
86
38

High Clouds (% Sky Obscured)

76
9
100
100
5
100
100
99
95
21
0
0
0
97
50
93
100
61
21
43
87
28
22
2

ISS Passover

Visibility (miles)

9
9
9
9
9
2
9
8
8
6
9
9
9
9
9
9
5
5
9
9
9
7
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

0
0
0
30
95
95
95
94
84
61
17
3
13
31
56
66
64
40
21
30
75
76
57
59

Precipitation Amount (mm)

0
0
0
0
1.5
1.6
0.6
0.6
0.6
0.2
0
0
0
0
0.3
0.3
0.4
0
0
0
0.4
0.3
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
85
83
89
86
85
88
91
91
91
90
91
90
87
90
87
84
82
87
87
90
88

Pressure (mb)

1009
1008
1007
1006
1005
1004
1003
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1003

Ozone (du)

326
322
318
313
307
303
305
304
304
305
307
307
303
298
295
298
299
299
300
298
298
296
295
296

Saturday 6

Waning Gibbous 93%

18:57

11:36

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: 08:34, Set: 16:28, Transit: 12:31. Moon - Rise: 18:57, Set: 11:36. Civil Dark: 17:08 - 07:53. Nautical Dark: 17:51 - 07:10. Astro Dark: 18:33 - 06:29

Total Clouds (% Sky Obscured)

90
94
96
100
98
88
86
97
98
100
96
93
88
92
96
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

68
78
88
98
94
88
83
69
65
50
50
57
61
70
79
89
84
80
75
83
91
98
98
98

Medium Clouds (% Sky Obscured)

83
45
44
37
34
33
35
30
25
23
75
75
69
75
85
94
96
98
100
100
100
100
99
97

High Clouds (% Sky Obscured)

2
4
6
21
0
4
6
67
81
100
85
63
44
61
80
100
100
100
100
100
100
100
92
85

ISS Passover

Visibility (miles)

3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

56
39
29
26
28
31
30
30
28
16
16
26
31
23
41
30
24
31
37
37
40
44
53
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
87
85
87
88
87
87
90
91
93
91
91
93
95
93
93
91
93
93
95
95
96

Pressure (mb)

1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006

Ozone (du)

291
289
291
291
290
286
283
280
281
282
281
281
281
280
281
279
278
280
280
282
281
282
283
285

Sunday 7

Waning Gibbous 86%

20:26

12:06

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: 08:35, Set: 16:28, Transit: 12:31. Moon - Rise: 20:26, Set: 12:06. Civil Dark: 17:08 - 07:55. Nautical Dark: 17:51 - 07:11. Astro Dark: 18:32 - 06:30

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
98
96
95
94
93
93
95
98
100
100
100
100
88
77
65
76
88

Low Clouds (% Sky Obscured)

98
99
100
100
99
97
95
89
83
77
77
76
71
71
71
67
71
76
79
74
69
64
63
62

Medium Clouds (% Sky Obscured)

96
97
97
98
91
84
39
79
59
53
61
61
86
91
96
53
45
32
24
35
47
62
75
85

High Clouds (% Sky Obscured)

78
85
93
100
100
100
100
75
50
26
21
17
17
42
71
100
100
100
100
67
33
0
33
67

ISS Passover

Visibility (miles)

0
0
0
0
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

66
83
95
95
76
61
25
24
8
5
11
16
17
43
56
59
68
39
22
32
34
36
28
26

Precipitation Amount (mm)

0.3
0.4
0.8
1.6
0.4
0.2
0
0
0
0
0
0
0
0
0.2
0.2
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
11
11
12
12
13
13
13
12
12
12
12
12
12
12
13
13
13
13
12
12
12
12
12

Feels Like (°C)

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

Dew Point (°C)

10
10
11
11
12
12
12
12
12
12
11
11
10
11
10
10
10
10
10
10
11
11
11
11

Relative Humidity (%)

98
98
98
98
96
93
93
93
95
96
93
90
90
92
89
84
81
83
84
84
89
93
98
96

Pressure (mb)

1005
1005
1005
1005
1005
1005
1006
1006
1007
1007
1008
1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013

Ozone (du)

286
287
290
290
289
289
290
291
293
292
292
289
288
287
287
287
286
286
287
288
290
292
293
296

Monday 8

Waning Gibbous 77%

No Rise

12:25

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
19 Bad
20 Bad

Sun - Rise: 08:36, Set: 16:27, Transit: 12:32. Moon - Rise: No Rise, Set: 12:25. Civil Dark: 17:08 - 07:56. Nautical Dark: 17:51 - 07:12. Astro Dark: 18:32 - 06:31

Total Clouds (% Sky Obscured)

100
96
92
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
60
57
55
62
66
69
66
65
64
61
58
54
57
57
55
57
58
59
58
62
66
75
84

Medium Clouds (% Sky Obscured)

90
90
72
68
60
62
63
75
86
98
98
99
100
100
100
100
100
100
100
100
100
100
99
98

High Clouds (% Sky Obscured)

100
83
66
49
66
83
100
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

25
35
43
50
42
34
22
21
15
10
17
23
27
39
48
56
58
60
63
83
95
95
95
92

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0.5
0.7
0.8
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
96
95
92
92
91
90
90
88
88
88
85
84
83
81
81
80
79
77
75
73

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1011
1011
1010
1009
1008
1007
1007
1006
1006

Ozone (du)

298
300
300
301
301
301
302
302
301
300
299
299
298
298
294
291
288
287
286
285
286
286
287
287

Tuesday 9

Waning Gibbous 67%

21:53

12:40

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: 08:37, Set: 16:27, Transit: 12:32. Moon - Rise: 21:53, Set: 12:40. Civil Dark: 17:08 - 07:57. Nautical Dark: 17:51 - 07:13. Astro Dark: 18:32 - 06:32

Total Clouds (% Sky Obscured)

100
99
98
97
98
99
100
96
90
85
89
94
100
95
90
85
78
71
64
62
61
58

Low Clouds (% Sky Obscured)

92
85
78
70
63
57
50
57
66
73
82
90
100
91
82
72
69
66
63
62
60
57

Medium Clouds (% Sky Obscured)

97
93
88
83
88
94
100
79
57
34
25
17
10
18
26
33
23
12
1
1
0
0

High Clouds (% Sky Obscured)

100
81
61
42
30
22
10
15
15
15
24
25
20
17
14
6
6
5
4
8
13
17

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

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

Precipitation Probability (%)

80
67
51
29
24
18
16
15
13
10
11
10
12
16
17
17
16
16
18
17
14
10

Precipitation Amount (mm)

0.4
0.3
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
16
16
16
16
16
16
17
17
18
18
19
20
21
21
21
21
21
21
21
20
19

Chance of Frost

Temperature (°C)

11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
13
12
12
12
11
11

Feels Like (°C)

7
7
7
7
7
7
7
6
7
7
7
6
6
6
6
6
6
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

73
71
73
75
77
76
75
73
75
75
75
73
73
73
73
73
74
75
76
79
75
71

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1009

Ozone (du)

288
288
289
290
292
291
291
290
293
295
297
298
298
299
301
303
305
307
309
312
313
314

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

Generated: 03/12/25 21:18:21. Forecast: 03/12/25 to 09/12/25. Timezone: UTC+1.00