Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

20:18

05:40

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:40, Set: 19:53, Transit: 12:47. Moon - Rise: 20:18, Set: 05:40. Civil Dark: 20:23 - 05:09. Nautical Dark: 21:02 - 04:30. Astro Dark: 21:45 - 03:47

Total Clouds (% Sky Obscured)

61
70
63
93
100
100
100
100
96
100
100
99
100
100
99
97
90
85
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
30
59
56
99
72
100
94
71
94
95
92
96
93
92
79
52
52
48
60
54
54
44
19

Medium Clouds (% Sky Obscured)

61
70
63
85
100
100
100
100
87
100
85
71
73
69
68
68
46
42
21
21
27
42
74
93

High Clouds (% Sky Obscured)

0
2
13
43
10
58
14
0
0
0
0
0
0
0
0
0
1
31
98
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
2
1
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
9
36
82
95
95
95
93
81
79
64
57
53
53
44
30
22
21
20
19
20
27
6

Precipitation Amount (mm)

0
0
0
0
0.5
1.8
1
0.6
0.5
0.5
0.5
0.3
0.3
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
69
67
70
78
91
96
98
98
98
98
98
96
96
95
95
95
91
81
67
61
58
65
74

Pressure (mb)

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

Ozone (du)

391
389
386
387
386
392
397
400
401
404
407
408
402
398
393
391
387
383
375
371
368
368
371
373

Saturday 2

Waning Gibbous 98%

21:23

06:12

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

Sun - Rise: 05:39, Set: 19:54, Transit: 12:47. Moon - Rise: 21:23, Set: 06:12. Civil Dark: 20:25 - 05:08. Nautical Dark: 21:03 - 04:29. Astro Dark: 21:46 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
84
69
65
26
31
80
89
95
87
98
66
65
76
70
44
33

Low Clouds (% Sky Obscured)

27
13
57
61
61
77
66
46
61
42
46
7
19
56
70
79
63
82
66
65
70
70
4
9

Medium Clouds (% Sky Obscured)

99
88
100
100
100
100
100
100
50
40
25
10
5
32
40
45
45
33
3
18
30
22
32
23

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
70
50
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 (%)

3
1
0
1
2
0
1
0
0
0
1
1
2
18
24
18
15
10
10
15
15
3
3
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)

4
3
2
2
2
3
4
4
4
4
4
5
7
9
10
12
12
13
12
12
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
84
83
83
82
83
88
93
94
96
86
74
62
59
56
49
45
40
46
45
45
48
55

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1008
1008
1009

Ozone (du)

373
374
373
371
375
379
383
389
396
401
409
404
402
404
402
405
404
404
405
404
401
395
396
395

Sunday 3

Waning Gibbous 94%

22:26

06:51

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

Sun - Rise: 05:38, Set: 19:56, Transit: 12:47. Moon - Rise: 22:26, Set: 06:51. Civil Dark: 20:26 - 05:06. Nautical Dark: 21:05 - 04:27. Astro Dark: 21:48 - 03:43

Total Clouds (% Sky Obscured)

5
28
14
55
59
83
90
69
38
66
27
20
20
29
74
96
99
82
86
92
38
93
42
34

Low Clouds (% Sky Obscured)

3
3
11
22
36
76
71
52
15
8
5
5
17
24
56
32
28
65
17
60
16
73
26
14

Medium Clouds (% Sky Obscured)

2
28
1
55
59
59
74
61
36
38
19
15
3
0
39
67
73
32
39
45
38
31
20
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
13
2
2
2
5
4
75
70
65
59
0
0
4
9
16

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
2
17
23
41
32
10
0
0
0
0
0
0
0
1
0
0
5
3
3
2
1

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
3
3
3
2
3
4
4
5
5
4
4
6
10
11
12
12
12
10
11
10
12
8
6

Chance of Frost

Temperature (°C)

7
6
4
3
3
3
4
4
4
3
3
5
9
12
14
15
16
15
16
18
18
18
16
16

Feels Like (°C)

7
5
3
3
2
1
1
2
2
2
-0
4
8
8
10
11
12
11
13
14
16
16
14
16

Dew Point (°C)

3
3
1
0
-1
-1
-1
1
1
1
0
1
2
3
4
6
7
6
10
9
11
9
10
11

Relative Humidity (%)

74
80
80
79
77
77
73
79
83
85
85
74
60
54
53
54
56
57
64
55
64
55
67
74

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1007
1006
1006
1006
1006
1006

Ozone (du)

398
400
401
406
401
400
397
396
396
396
399
400
397
395
396
393
394
396
398
400
398
393
392
389

Monday 4

Waning Gibbous 89%

23:24

07:38

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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

Sun - Rise: 05:36, Set: 19:57, Transit: 12:47. Moon - Rise: 23:24, Set: 07:38. Civil Dark: 20:27 - 05:05. Nautical Dark: 21:06 - 04:25. Astro Dark: 21:50 - 03:41

Total Clouds (% Sky Obscured)

52
61
68
60
89
87
51
51
39
59
73
89
80
52
61
55
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
5
0
0
1
7
10
51
39
46
73
75
79
12
14
8
26
77
76
21
36
28
46
33

Medium Clouds (% Sky Obscured)

13
7
0
0
0
0
0
0
0
8
15
68
70
26
31
37
44
36
37
39
36
54
76
97

High Clouds (% Sky Obscured)

22
49
66
60
82
81
51
37
18
33
48
63
41
20
6
34
67
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
4
3
5
9
9
9
9
9
9
9
9
8
9
4
4

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
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

1
1
0
0
0
0
0
0
0
0
8
8
2
1
0
13
20
37
49
49
57
68
89
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
12
12
10
10
9
9
8
9
8
9
11
13
15
19
21
22
23
23
22
23
22
21
19

Feels Like (°C)

14
12
11
9
8
7
6
7
7
6
7
9
12
14
18
17
20
20
21
20
21
20
20
19

Dew Point (°C)

12
11
11
10
9
9
8
8
8
8
9
10
11
13
11
11
11
12
15
16
15
15
16
18

Relative Humidity (%)

87
89
93
95
96
98
96
98
95
98
100
96
86
85
60
53
49
49
59
67
63
66
76
92

Pressure (mb)

1006
1007
1007
1007
1008
1007
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007

Ozone (du)

388
387
386
385
382
382
383
385
387
388
389
389
389
389
391
387
383
384
382
381
381
381
380
380

Tuesday 5

Waning Gibbous 82%

00:14

08:34

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:35, Set: 19:58, Transit: 12:46. Moon - Rise: 00:14, Set: 08:34. Civil Dark: 20:28 - 05:03. Nautical Dark: 21:08 - 04:24. Astro Dark: 21:52 - 03:39

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)

48
45
34
24
26
11
18
24
34
23
20
29
29
30
30
30
39
45
51
62
75
83
92
100

Medium Clouds (% Sky Obscured)

84
72
59
67
78
75
90
95
98
100
72
86
85
84
82
89
95
100
98
97
96
99
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
78
100
100
100
100
100
100
100
100
93
85
78
65
51
55

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

60
38
27
39
32
24
10
11
7
18
18
21
50
49
33
82
95
95
95
95
95
95
86
66

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.9
1.2
1.2
0.6
0.6
0.5
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
14
14
14
13
13
12
12
13
14
14
16
18
20
19
18
18
18
18
18
17
16

Feels Like (°C)

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

Dew Point (°C)

18
16
16
13
14
14
13
13
12
12
12
13
13
14
14
13
14
16
17
17
17
17
17
16

Relative Humidity (%)

95
96
96
96
98
98
98
98
96
96
96
96
95
85
74
66
75
85
93
95
95
96
96
98

Pressure (mb)

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

Ozone (du)

381
381
381
380
378
377
377
376
375
374
372
369
369
369
368
367
366
365
363
366
368
370
372
374

Wednesday 6

Waning Gibbous 74%

00:55

09:35

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:34, Set: 19:59, Transit: 12:46. Moon - Rise: 00:55, Set: 09:35. Civil Dark: 20:30 - 05:02. Nautical Dark: 21:09 - 04:22. Astro Dark: 21:54 - 03:37

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
95
89
83
83
82
82
88
94
100
96
93
89
85
81
78
77
77
76
82
87
93

Medium Clouds (% Sky Obscured)

100
100
100
94
87
82
87
92
97
92
87
82
87
91
95
91
86
82
87
91
94
88
82
77

High Clouds (% Sky Obscured)

81
86
100
100
93
100
100
100
100
100
100
100
67
33
0
26
49
71
77
77
77
70
59
52

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

92
95
95
95
90
80
95
95
95
95
95
95
95
95
94
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.6
0.9
1
0.8
0.6
0.4
0.8
1.1
1.3
1.4
1.4
1.2
0.9
0.7
0.6
0.7
0.5
0.6
0.6
0.6
0.5
1.1
1.6
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
13
13
13
13
12
12
11
11
12
12
12
13
14
15
16
17
16
16
14
14
13

Feels Like (°C)

16
14
14
14
14
14
13
11
10
10
10
11
11
11
12
13
14
15
15
14
14
12
12
11

Dew Point (°C)

15
15
14
13
13
13
12
12
12
11
11
11
12
12
13
14
14
16
16
16
16
14
14
13

Relative Humidity (%)

96
98
98
98
98
98
98
98
100
100
98
98
98
98
98
98
96
98
98
98
100
98
98
100

Pressure (mb)

1007
1007
1008
1008
1007
1007
1006
1006
1005
1004
1004
1003
1003
1003
1003
1002
1001
1001
1000
999
998
997
996
996

Ozone (du)

376
373
371
369
367
365
363
364
364
364
364
365
365
367
369
371
376
382
388
389
391
393
393
394

Thursday 7

Waning Gibbous 64%

01:29

10:41

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

Sun - Rise: 05:33, Set: N/A, Transit: 12:46. Moon - Rise: 01:29, Set: 10:41. Civil Dark: 20:31 - 05:01. Nautical Dark: 21:11 - 04:21. Astro Dark: 21:55 - 03:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
95
92
88
84
80
82
86
92
96
100
100

Low Clouds (% Sky Obscured)

96
98
100
100
100
100
98
95
92
88
84
80
82
86
90
73
52
31

Medium Clouds (% Sky Obscured)

79
78
77
71
66
61
68
63
72
61
57
65
65
70
70
73
78
69

High Clouds (% Sky Obscured)

72
83
92
96
91
90
63
28
0
4
9
8
3
0
0
0
5
10

ISS Passover

Visibility (miles)

2
3
4
5
4
2
0
0
0
0
0
0
0
3
6
9
9
9

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
82
77
71
58
72
71
52
57
50
23
26
25
19

Precipitation Amount (mm)

1.6
1.4
0.9
0.9
0.7
0.4
0.3
0.2
0
0.3
0.4
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

4
5
6
7
8
9
9
10
10
11
12
14
15
15
16
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
10
10
10
10
10
10
6
5
4
4
3
2
1
1
1
1
1

Dew Point (°C)

13
12
11
11
10
10
9
9
9
8
7
6
6
6
5
4
3
2

Relative Humidity (%)

100
98
96
95
95
98
98
98
98
98
98
98
96
90
82
75
65
57

Pressure (mb)

995
995
994
993
993
992
992
991
991
991
992
992
993
994
994
995
995
996

Ozone (du)

394
400
406
412
417
422
427
435
443
451
447
443
439
436
434
431
429
427

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 01/05/26 20:07:07. Forecast: 01/05/26 to 07/05/26. Timezone: UTC-4.00