Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 17

Waning Crescent 2%

08:26

15:07

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
21 Bad
22 OK
23 OK
00 Bad
01 Bad

Sun - Rise: 08:38, Set: 17:01, Transit: 12:50. Moon - Rise: 08:26, Set: 15:07. Civil Dark: 17:40 - 08:00. Nautical Dark: 18:22 - 07:17. Astro Dark: 19:02 - 06:37

Total Clouds (% Sky Obscured)

100
100
97
96
99
100
86
49
80
92
95
84
86
90
98
51
44
100
44
79
25
26
68
91

Low Clouds (% Sky Obscured)

65
69
82
77
91
47
30
8
0
0
0
0
28
31
14
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
96
96
96
93
79
70
49
80
87
95
84
86
70
42
2
2
3
18
47
25
1
1
9

High Clouds (% Sky Obscured)

50
35
18
96
86
100
53
11
29
47
61
50
53
76
96
51
44
100
26
17
16
17
66
82

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

52
77
95
43
11
4
0
0
4
6
4
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.4
0.8
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
7
8
8
8
7
7
7
7
6
5
4
4
4
4
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
93
93
91
88
88
87
87
84
81
81
84
88
90
90
91
90
91
90
90
86
86

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

344
346
350
352
356
356
354
352
351
353
353
355
355
355
355
355
356
357
357
356
356
355
354
354

Sunday 18

New Moon 0%

08:59

16:21

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

Sun - Rise: 08:37, Set: 17:03, Transit: 12:50. Moon - Rise: 08:59, Set: 16:21. Civil Dark: 17:41 - 07:59. Nautical Dark: 18:23 - 07:17. Astro Dark: 19:04 - 06:36

Total Clouds (% Sky Obscured)

99
96
92
53
50
47
32
47
28
41
56
34
25
3
2
2
9
34
54
51
77
59
73
69

Low Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
20
33
42
30
25
0
0
0
9
34
45
38
35
43
60
55

Medium Clouds (% Sky Obscured)

19
37
29
22
14
9
4
4
2
0
10
4
0
0
0
0
0
0
18
24
45
23
17
28

High Clouds (% Sky Obscured)

97
91
81
30
25
12
17
47
2
3
2
1
1
1
0
0
0
0
0
0
0
0
0
0

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
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
86
86
86
88
89
89
88
80
76
74
72
75
81
86
86
88
88
89
91
91
91
91

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

355
355
354
355
356
359
360
360
363
366
368
369
369
371
373
373
373
375
376
376
376
376
377
378

Monday 19

Waxing Crescent 1%

09:22

17:40

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

Sun - Rise: 08:36, Set: 17:04, Transit: 12:50. Moon - Rise: 09:22, Set: 17:40. Civil Dark: 17:43 - 07:58. Nautical Dark: 18:25 - 07:16. Astro Dark: 19:05 - 06:36

Total Clouds (% Sky Obscured)

66
77
80
78
77
76
59
45
15
75
82
83
69
61
75
58
69
58
51
46
48
53
50
51

Low Clouds (% Sky Obscured)

49
40
34
33
30
26
23
22
0
11
10
36
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

32
53
69
63
52
50
36
28
12
48
62
52
41
38
41
33
47
41
33
31
36
38
33
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
1
2
14
2
2
4
3
4
4
5
8
7
13

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
2
3
3
3
6
21
15
7
4
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
92
94
94
92
91
85
80
77
76
78
82
88
88
86
86
88
88
88
88
85

Pressure (mb)

1018
1018
1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

377
375
374
373
372
370
369
369
369
367
366
365
364
362
360
362
362
362
363
363
363
361
359
357

Tuesday 20

Waxing Crescent 3%

09:39

19:00

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

Sun - Rise: 08:35, Set: 17:06, Transit: 12:51. Moon - Rise: 09:39, Set: 19:00. Civil Dark: 17:44 - 07:57. Nautical Dark: 18:26 - 07:15. Astro Dark: 19:06 - 06:35

Total Clouds (% Sky Obscured)

51
54
52
50
49
53
55
60
44
26
5
4
3
1
4
7
9
12
16
18
13
8
4
2

Low 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

Medium Clouds (% Sky Obscured)

35
38
33
29
27
26
22
21
15
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
7
5
2
0
11
28
43
32
19
5
4
3
1
4
7
9
12
16
18
13
8
4
2

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
88
89
89
88
83
79
71
65
59
57
64
71
79
79
77
76
74
74
73
71
70

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014

Ozone (du)

357
357
358
359
358
358
359
360
362
363
365
366
365
364
362
361
361
363
366
366
366
366
364
366

Wednesday 21

Waxing Crescent 8%

09:53

20:20

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

Sun - Rise: 08:34, Set: 17:08, Transit: 12:51. Moon - Rise: 09:53, Set: 20:20. Civil Dark: 17:46 - 07:56. Nautical Dark: 18:28 - 07:14. Astro Dark: 19:08 - 06:34

Total Clouds (% Sky Obscured)

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

Low 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
1

Medium 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

High Clouds (% Sky Obscured)

1
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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
74
74
74
72
72
72
68
63
58
56
58
61
61
63
62
62
63
65
64
68
71
75

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

367
364
363
363
363
365
364
365
364
365
363
361
361
361
362
363
365
367
368
370
371
370
370
369

Thursday 22

Waxing Crescent 15%

10:05

21:40

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

Sun - Rise: 08:33, Set: 17:09, Transit: 12:51. Moon - Rise: 10:05, Set: 21:40. Civil Dark: 17:47 - 07:55. Nautical Dark: 18:29 - 07:13. Astro Dark: 19:09 - 06:33

Total Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
1
1
8
18
30
21
10
3
2
1
0
0

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
1
8
15
21
15
8
2
2
1
0
0

Medium 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

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
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
74
72
72
74
75
71
66
62
59
56
52
53
54
56
57
59
61
60
60
61
58
58
57

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

370
371
372
369
365
362
362
363
363
363
363
363
362
362
361
363
364
366
367
368
370
369
368
367

Friday 23

Waxing Crescent 23%

10:15

23:00

Sun - Rise: 08:31, Set: 17:11, Transit: 12:51. Moon - Rise: 10:15, Set: 23:00. Civil Dark: 17:49 - 07:54. Nautical Dark: 18:31 - 07:12. Astro Dark: 19:11 - 06:32

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for De Meern, Gemeente Utrecht, Netherlands (52.08,5.03)

Generated: 17/01/26 02:53:35. Forecast: 17/01/26 to 23/01/26. Timezone: UTC+1.00