Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 74%

22:08

11:06

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
14 Bad

Sun - Rise: 08:44, Set: 16:44, Transit: 12:45. Moon - Rise: 22:08, Set: 11:06. Civil Dark: 17:24 - 08:04. Nautical Dark: 18:07 - 07:21. Astro Dark: 18:48 - 06:40

Total Clouds (% Sky Obscured)

97
100
100
96
85
90
88
93
83
92
91
88
88
93
96
95
100
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
89
93
93
81
78
83
80
76
74
88
82
80
87
90
92
99
97
98
91
94
79
77
73

Medium Clouds (% Sky Obscured)

42
49
57
51
22
38
24
41
25
38
36
19
15
17
82
60
69
60
43
2
43
96
68
67

High Clouds (% Sky Obscured)

1
3
0
1
5
0
0
0
1
2
1
5
2
6
16
20
10
82
82
100
100
100
100
100

ISS Passover

Visibility (miles)

0
9
0
0
0
0
1
9
9
9
9
9
9
5
1
3
9
9
9
9
6
2
0
0

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 (%)

12
30
43
64
45
20
15
23
19
13
22
12
12
12
6
5
3
4
3
2
1
2
1
0

Precipitation Amount (mm)

0
0
0
0.4
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
17
15
14
13
12
11
11
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
8

Chance of Frost

Temperature (°C)

-1
-0
-0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
0
0
0
0
-0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

98
96
98
98
100
100
100
94
96
96
96
98
98
100
100
100
98
100
98
96
98
100
100
100

Pressure (mb)

1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1004
1004

Ozone (du)

388
389
382
364
358
343
339
325
320
324
327
327
328
329
328
331
334
332
334
335
336
332
331
327

Thursday 8

Waning Gibbous 64%

23:25

11:16

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
14 Bad

Sun - Rise: 08:44, Set: 16:46, Transit: 12:45. Moon - Rise: 23:25, Set: 11:16. Civil Dark: 17:25 - 08:04. Nautical Dark: 18:09 - 07:21. Astro Dark: 18:49 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

72
84
86
94
98
96
97
99
100
100
100
100
100
97
90
87
92
95
96
97
94
95
99
96

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
40
40
45
100
100
93
98
100
97

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
5
51
3
0
0
0
10
0
84
95
100
20

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
6
0
0
0
0
0
0

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
Snow
Light Rain
Light Rain
Light Rain
Snow
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow

Precipitation Probability (%)

1
2
10
36
86
95
95
95
95
95
95
95
95
95
85
64
63
70
90
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.6
0.7
0.7
1.1
1.6
1.6
1.5
2.6
2.6
1.3
0.7
0.4
0.3
0.3
0.5
0.8
0.9
0.9
0.9
0.9

Wind Speed/Direction (mph)

7
7
8
8
9
11
12
13
13
15
17
17
17
18
13
15
16
15
15
14
14
9
15
14

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
1
1
1
0
0

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
0
1
1
1
1
1
1
0
0

Relative Humidity (%)

100
100
100
100
98
100
100
100
100
100
98
100
100
100
94
85
89
94
98
98
98
98
100
98

Pressure (mb)

1004
1003
1002
1001
1000
998
996
994
992
990
988
986
984
983
982
981
980
980
979
979
979
979
981
982

Ozone (du)

329
328
329
326
328
327
327
328
332
336
339
340
340
348
352
349
353
361
359
373
373
382
382
382

Friday 9

Waning Gibbous 54%

00:39

11:26

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
14 Bad

Sun - Rise: 08:43, Set: 16:47, Transit: 12:46. Moon - Rise: 00:39, Set: 11:26. Civil Dark: 17:27 - 08:03. Nautical Dark: 18:10 - 07:20. Astro Dark: 18:51 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
94
96
95
92
91
91
87
85
83
82
84
85
82
84
82
82
83
84
73
63
55
36
21

Medium Clouds (% Sky Obscured)

96
100
100
100
100
100
99
99
99
100
99
100
100
99
98
64
42
46
50
60
66
67
54
52

High Clouds (% Sky Obscured)

100
100
100
100
100
92
25
81
100
65
47
42
20
48
7
7
21
30
44
42
38
27
36
32

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Fog (%)

0
0
0
45
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

93
90
94
95
91
86
88
82
72
61
58
55
51
50
45
45
38
33
34
36
51
36
22
10

Precipitation Amount (mm)

0.6
0.6
0.7
0.8
0.6
0.5
0.6
0.4
0.3
0.2
0
0
0
0
0
0.1
0
0
0
0
0.3
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
100
100
98
98
98
98
98
98
98
98
96
98
96
98
96
92

Pressure (mb)

983
984
985
986
987
988
989
989
990
991
992
993
994
995
996
998
999
1000
1002
1003
1005
1006
1007
1008

Ozone (du)

384
388
387
389
394
399
400
401
403
403
403
403
401
395
388
387
388
386
384
384
384
383
381
382

Saturday 10

Third Quarter 45%

01:53

11:38

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

Sun - Rise: 08:42, Set: 16:48, Transit: 12:46. Moon - Rise: 01:53, Set: 11:38. Civil Dark: 17:28 - 08:03. Nautical Dark: 18:11 - 07:20. Astro Dark: 18:52 - 06:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
94
91
68
43
21
14
8
2
2
2
2
2
3
3
19
31

Low Clouds (% Sky Obscured)

20
25
30
30
25
15
15
9
7
1
1
1
1
0
1
0
0
1
1
2
2
2
2
2

Medium Clouds (% Sky Obscured)

62
48
43
35
35
40
40
39
38
41
37
25
12
9
5
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
54
59
62
71
64
55
36
19
0
0
0
0
0
0
0
0
0
0
0
0
0
19
31

ISS Passover

Visibility (miles)

2
1
3
7
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 (%)

20
8
9
4
1
3
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)

11
11
11
11
10
10
9
9
8
8
8
8
7
6
6
6
6
7
7
8
8
8
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
89
87
89
87
85
81
79
81
82
82
85
87
92
94
92
92
90
87
82
79
76
73

Pressure (mb)

1009
1010
1012
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022

Ozone (du)

385
390
388
383
379
376
374
374
372
373
373
372
372
371
369
370
372
372
371
370
369
370
369
361

Sunday 11

Waning Crescent 35%

03:07

11:52

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 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:42, Set: 16:50, Transit: 12:46. Moon - Rise: 03:07, Set: 11:52. Civil Dark: 17:29 - 08:02. Nautical Dark: 18:12 - 07:19. Astro Dark: 18:53 - 06:39

Total Clouds (% Sky Obscured)

43
50
62
75
91
99
91
98
92
83
88
95
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
1
2
2
2
19
40
59
67
80
85
90
95
95
97
96
97
96
98

Medium Clouds (% Sky Obscured)

0
11
27
41
53
66
70
70
65
55
50
46
36
49
73
96
97
98
99
99
100
100
100
100

High Clouds (% Sky Obscured)

43
50
62
75
91
99
91
98
92
83
83
69
54
69
85
100
91
82
73
82
91
100
100
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
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
7
12
16
26
33
38
40
40
37
28
18
3
32
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
89
90
87
87
85
85
85
85
84
82
81
79
78
78
76
75
73
72
71
68
69
71

Pressure (mb)

1021
1021
1020
1020
1020
1019
1019
1018
1017
1017
1016
1015
1014
1014
1013
1012
1012
1012
1012
1012
1011
1011
1011
1011

Ozone (du)

351
340
330
322
319
322
326
327
325
323
323
321
319
317
316
316
316
315
314
313
311
309
307
307

Monday 12

Waning Crescent 26%

04:21

12:10

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
14 Bad

Sun - Rise: 08:41, Set: 16:51, Transit: 12:47. Moon - Rise: 04:21, Set: 12:10. Civil Dark: 17:31 - 08:01. Nautical Dark: 18:13 - 07:19. Astro Dark: 18:54 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
96
94
96
97
99
99
100
100
100
99
98
99
100
100
95
88
83
79
77
75
82
87

Medium Clouds (% Sky Obscured)

100
99
98
97
82
67
52
36
21
4
15
25
36
61
80
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

100
100
100
100
68
43
25
24
23
26
50
70
91
99
100
100
100
100
100
100
100
100
82
66

ISS Passover

Visibility (miles)

9
9
6
4
1
4
7
9
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

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

Precipitation Probability (%)

68
84
95
95
85
65
34
29
22
4
5
4
1
3
4
1
2
2
2
7
11
16
42
63

Precipitation Amount (mm)

0.3
0.6
0.8
0.9
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

11
10
9
9
9
8
7
7
7
6
6
7
7
7
7
6
6
6
7
7
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
81
87
94
91
89
88
89
89
89
91
89
91
89
91
91
91
89
89
89
89
91
93

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

306
306
308
311
314
314
314
315
314
313
313
313
313
313
314
314
314
315
316
317
317
318
319
318

Tuesday 13

Waning Crescent 18%

05:34

12:35

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: 08:40, Set: 16:53, Transit: 12:47. Moon - Rise: 05:34, Set: 12:35. Civil Dark: 17:32 - 08:01. Nautical Dark: 18:15 - 07:18. Astro Dark: 18:55 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
90
86
83
77
69
60
58
56
57
60
63
66
68
67
68

Medium Clouds (% Sky Obscured)

99
98
97
97
96
95
93
95
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

45
64
83
100
100
99
98
99
99
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

82
95
95
95
95
80
57
54
55
58
58
54
52
60
61
60

Precipitation Amount (mm)

0.4
0.7
0.8
0.9
0.7
0.4
0
0
0
0.2
0.2
0
0
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
98
96
98
98
98
100
100
98
100
98
98
98

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008

Ozone (du)

318
317
320
323
325
326
327
327
328
328
328
327
326
326
326
327

Forecast for Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 07/01/26 15:06:24. Forecast: 07/01/26 to 13/01/26. Timezone: UTC+1.00