Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 54%

00:41

11:27

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
16 Bad

Sun - Rise: 08:46, Set: 16:48, Transit: 12:47. Moon - Rise: 00:41, Set: 11:27. Civil Dark: 17:27 - 08:06. Nautical Dark: 18:10 - 07:22. Astro Dark: 18:51 - 06:41

Total Clouds (% Sky Obscured)

98
98
98
95
98
100
96
94
94
94
94
93
92
93
98
94
99
94
72
55
57
79
94
87

Low Clouds (% Sky Obscured)

90
94
90
89
96
99
94
89
83
82
84
90
89
90
81
86
83
74
48
44
39
29
22
0

Medium Clouds (% Sky Obscured)

81
85
85
86
89
77
90
87
66
66
63
89
28
28
27
43
99
28
20
21
27
47
67
87

High Clouds (% Sky Obscured)

1
1
12
44
39
75
6
3
1
12
3
1
3
27
75
28
15
13
1
5
1
2
5
35

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

60
56
6
51
44
39
40
44
45
44
43
37
36
25
23
18
11
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
20
20
20
20
20
19
19
18
18
18
18
18
18
18
18
18
18
17
16
15
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
92
91
91
91
92
91
92
92
91
89
89
89
87
81
76
75
75
75
75
76

Pressure (mb)

986
987
989
990
992
993
994
995
997
998
1000
1001
1002
1003
1005
1007
1008
1010
1011
1012
1013
1014
1015
1017

Ozone (du)

391
390
395
399
393
392
395
396
396
388
385
381
376
372
373
373
375
375
377
378
381
373
376
376

Saturday 10

Third Quarter 45%

01:55

11:38

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

Sun - Rise: 08:45, Set: 16:50, Transit: 12:47. Moon - Rise: 01:55, Set: 11:38. Civil Dark: 17:28 - 08:05. Nautical Dark: 18:11 - 07:22. Astro Dark: 18:53 - 06:41

Total Clouds (% Sky Obscured)

92
100
95
91
96
74
55
34
22
65
16
50
73
79
67
66
78
51
31
100
97
100
100
100

Low Clouds (% Sky Obscured)

0
8
22
30
5
1
1
1
1
1
1
7
42
46
54
55
18
1
1
0
0
0
1
17

Medium Clouds (% Sky Obscured)

92
93
92
84
95
74
55
34
3
3
2
2
0
2
5
11
18
32
31
58
97
100
100
100

High Clouds (% Sky Obscured)

51
100
15
14
0
0
2
1
8
52
10
27
31
42
6
6
54
9
12
100
84
81
75
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
6
6
7
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
10
9
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
1
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)

13
14
13
12
12
10
8
8
6
6
6
5
6
6
7
8
9
10
12
13
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
76
77
78
81
87
89
91
92
91
92
92
92
92
90
90
85
81
79
81
81
84
86

Pressure (mb)

1018
1019
1020
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1023
1022
1022
1021

Ozone (du)

379
382
380
374
371
368
364
360
356
354
352
350
349
345
341
336
333
331
327
324
320
317
314
316

Sunday 11

Waning Crescent 35%

03:09

11:52

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
16 Bad

Sun - Rise: 08:44, Set: 16:51, Transit: 12:48. Moon - Rise: 03:09, Set: 11:52. Civil Dark: 17:30 - 08:04. Nautical Dark: 18:13 - 07:21. Astro Dark: 18:54 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
57
56
58
71
99
99
100
93
100
100
88
100
100
96
100
100
93
97
100
95
89
84
80

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
98
88
100
100
52
94
83
87
100
91
94
96
100
100

High Clouds (% Sky Obscured)

98
100
99
100
85
100
100
100
100
100
18
75
100
100
100
100
100
96
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
9
6
9
7
3
9
6
9
9
9
9
9
2
2
3
3
4
6
1

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
Snow
Snow
Frozen rai
Frozen rai
Frozen rai
Light Rain
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
1
12
7
34
72
95
95
95
62
83
59
56
48
33
4
3
22
26
2
8
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.4
0.6
1.4
0.5
0.2
0.5
0
0
0
0
0
0
0
0
0
0
0.7
1.9

Wind Speed/Direction (mph)

15
16
17
17
18
19
19
19
21
21
21
21
20
20
19
18
16
16
15
15
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
87
87
86
84
83
84
92
91
93
94
94
94
96
96
96
98
98
98
96
96
96

Pressure (mb)

1021
1020
1019
1018
1017
1016
1015
1014
1012
1011
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

317
316
312
311
310
307
307
307
308
308
309
308
304
304
307
309
310
310
309
307
306
309
310
308

Monday 12

Waning Crescent 26%

04:24

12:09

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
16 Bad

Sun - Rise: 08:43, Set: 16:53, Transit: 12:48. Moon - Rise: 04:24, Set: 12:09. Civil Dark: 17:31 - 08:04. Nautical Dark: 18:14 - 07:21. Astro Dark: 18:55 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
95
90
85
90
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

77
72
77
82
89
91
93
96
88
81
74
76
81
82
85
85
85
84
84
84
82
82
81
84

Medium Clouds (% Sky Obscured)

100
98
72
50
45
40
40
35
93
100
100
87
63
45
45
40
40
60
80
95
100
100
100
100

High Clouds (% Sky Obscured)

100
100
36
43
53
100
100
100
100
100
100
70
41
11
41
70
100
100
97
100
100
100
100
100

ISS Passover

Visibility (miles)

2
5
9
9
9
9
9
9
9
9
9
9
9
5
3
0
0
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

Light Rain
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 (%)

95
47
32
5
1
3
6
7
11
19
7
9
3
0
1
1
1
6
7
29
44
13
7
21

Precipitation Amount (mm)

1.2
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
12
12
12
12
13
14
13
12
11
10
9
8
8
8
9
9
9
8
9
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
94
91
93
91
91
91
96
96
96
98
98
98
98
96
98
96
94
91
90

Pressure (mb)

1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009
1009
1010
1010
1009
1009
1008
1008
1008

Ozone (du)

308
312
316
315
315
316
315
313
312
313
314
314
314
316
319
318
318
317
317
319
320
319
322
323

Tuesday 13

Waning Crescent 18%

05:37

12:34

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
16 Bad

Sun - Rise: 08:43, Set: 16:54, Transit: 12:48. Moon - Rise: 05:37, Set: 12:34. Civil Dark: 17:32 - 08:03. Nautical Dark: 18:15 - 07:20. Astro Dark: 18:56 - 06:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
97
93
89
84
81
82
83

Low Clouds (% Sky Obscured)

87
90
89
88
87
76
65
54
67
79
92
95
97
100
93
91
89
84
85
81
83
81
82
83

Medium Clouds (% Sky Obscured)

100
100
99
98
97
98
99
100
100
100
99
100
100
100
98
99
100
96
89
80
59
41
23
17

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
15
25
50
48
45
41
31
17
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

37
59
73
78
81
82
86
78
70
81
91
95
95
95
59
70
79
81
80
72
59
48
24
19

Precipitation Amount (mm)

0
0.3
0.4
0.4
0.4
0.4
0.5
0.4
0.3
0.5
0.5
0.6
0.7
0.7
0.2
0.3
0.4
0.5
0.5
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
2
2
2
2
2
2
3
3
3
4
4
3
4
4
3
3
3
3
3
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
90
91
91
91
93
93
94
93
94
96
96
96
94
94
94
96
96
96
96
96
98

Pressure (mb)

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

Ozone (du)

324
326
329
334
339
342
344
346
347
349
349
348
350
350
349
347
345
343
342
340
338
338
339
339

Wednesday 14

Waning Crescent 11%

06:46

13:10

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
16 Bad

Sun - Rise: 08:42, Set: 16:56, Transit: 12:49. Moon - Rise: 06:46, Set: 13:10. Civil Dark: 17:34 - 08:02. Nautical Dark: 18:17 - 07:20. Astro Dark: 18:58 - 06:39

Total Clouds (% Sky Obscured)

82
82
81
82
82
82
84
86
90
96
100
100
100
100
99
97
96
90
88
88
89
84
79
85

Low Clouds (% Sky Obscured)

82
82
81
82
82
82
78
70
73
76
79
81
80
80
80
78
75
71
67
69
77
75
68
51

Medium Clouds (% Sky Obscured)

11
5
6
7
8
22
36
52
58
65
72
83
92
100
90
80
69
61
60
56
54
50
42
60

High Clouds (% Sky Obscured)

0
0
1
1
2
1
0
0
15
36
65
73
78
84
63
41
20
45
67
88
61
36
4
4

ISS Passover

Visibility (miles)

9
9
9
7
5
3
2
1
0
1
2
3
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
8
28
40
40
45
46
37
25
34
49
65
80
89
80
59
19
15
12
6
11
11
10
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.5
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
98
98
98
100
98
100
98
98
96
96
94
93
93
91
88
87
84
87
87
88

Pressure (mb)

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

Ozone (du)

345
350
355
353
350
347
346
345
343
347
350
354
352
350
348
350
352
354
359
364
369
374
379
383

Thursday 15

Waning Crescent 6%

07:44

14:00

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: 08:41, Set: 16:57, Transit: 12:49. Moon - Rise: 07:44, Set: 14:00. Civil Dark: 17:35 - 08:02. Nautical Dark: 18:18 - 07:19. Astro Dark: 18:59 - 06:38

Total Clouds (% Sky Obscured)

91
96
97
97
98
95
94
92
95
97
99
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
8
15
26
37
43
46
46
41
35
29
36
47
62
56
50
44
47
51
54

Medium Clouds (% Sky Obscured)

79
96
97
96
94
70
45
21
34
49
67
73
79
85
89
94
99
99
99
100

High Clouds (% Sky Obscured)

0
0
1
2
11
20
31
40
53
67
81
77
72
68
52
37
31
59
81
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

Fog (%)

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

Precipitation Probability (%)

13
10
16
16
14
16
14
8
6
5
0
0
0
0
2
4
10
13
11
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
90
91
90
90
90
88
91
93
96
96
96
96
96
96
94
93
90

Pressure (mb)

1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

383
383
383
381
380
379
376
374
371
370
368
367
365
363
362
360
359
357
356
355

Forecast for Katwoude, Gemeente Waterland, Netherlands (52.47,5.07)

Generated: 09/01/26 17:23:51. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+1.00