Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 2

Waning Gibbous 98%

19:20

08:01

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

Sun - Rise: 07:02, Set: 17:06, Transit: 12:04. Moon - Rise: 19:20, Set: 08:01. Civil Dark: 17:35 - 06:32. Nautical Dark: 18:09 - 05:58. Astro Dark: 18:43 - 05:25

Total Clouds (% Sky Obscured)

2
2
2
9
19
16
25
78
40
59
20
17
8
39
46
23
19
70
84
68
11
6
8
19

Low Clouds (% Sky Obscured)

2
2
2
6
11
9
10
9
12
16
16
9
2
0
0
0
0
0
60
60
6
4
8
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
55
13
53
1
0
0
39
46
21
15
47
48
19
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
14
3
21
32
40
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
25
19
14
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)

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

Chance of Frost

Temperature (°C)

-13
-15
-16
-16
-16
-16
-17
-17
-17
-17
-17
-16
-13
-8
-5
-3
-2
-1
-1
-2
-4
-7
-8
-9

Feels Like (°C)

-16
-16
-18
-18
-18
-19
-19
-20
-20
-21
-20
-18
-15
-9
-6
-3
-3
-2
-4
-4
-7
-9
-10
-11

Dew Point (°C)

-15
-17
-18
-18
-18
-18
-19
-19
-19
-19
-20
-18
-16
-11
-9
-7
-6
-6
-7
-5
-5
-8
-9
-10

Relative Humidity (%)

84
84
84
83
84
83
84
84
85
84
83
85
83
79
74
73
72
70
66
78
89
90
90
90

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1018
1019
1019
1019

Ozone (du)

423
426
421
412
406
392
394
396
396
387
385
383
384
383
382
378
372
373
372
373
376
375
374
371

Tuesday 3

Waning Gibbous 93%

20:30

08:22

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

Sun - Rise: 07:01, Set: 17:07, Transit: 12:04. Moon - Rise: 20:30, Set: 08:22. Civil Dark: 17:37 - 06:31. Nautical Dark: 18:11 - 05:57. Astro Dark: 18:44 - 05:24

Total Clouds (% Sky Obscured)

30
38
46
62
47
78
70
24
23
13
4
2
2
8
26
51
18
2
3
3
3
4
8
13

Low Clouds (% Sky Obscured)

30
37
45
61
46
69
63
24
23
13
4
2
2
7
23
51
18
2
3
3
3
4
8
13

Medium Clouds (% Sky Obscured)

0
0
4
0
0
23
35
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)

4
4
3
3
3
3
3
3
4
6
9
9
9
9
9
9
9
9
9
9
9
9
8
4

Fog (%)

0
0
0
0
0
3
3
23
35
56
24
24
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 (%)

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

2
2
2
2
2
2
3
3
3
3
3
5
8
10
11
12
12
11
9
7
5
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-13
-14
-15
-15
-15
-15
-15
-14
-16
-15
-13
-11
-10
-10
-11
-8
-6
-7
-8
-10
-11
-11

Dew Point (°C)

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

Relative Humidity (%)

90
88
86
86
86
88
86
86
85
85
83
76
72
68
69
69
67
68
71
76
85
87
87
88

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1021
1021
1021

Ozone (du)

371
373
376
379
383
386
388
396
404
413
421
428
428
430
428
426
428
428
425
423
417
413
413
415

Wednesday 4

Waning Gibbous 87%

No Rise

08:41

21 OK
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 Good
18 OK
19 Bad
20 Bad

Sun - Rise: 07:00, Set: 17:08, Transit: 12:04. Moon - Rise: No Rise, Set: 08:41. Civil Dark: 17:38 - 06:30. Nautical Dark: 18:12 - 05:56. Astro Dark: 18:45 - 05:23

Total Clouds (% Sky Obscured)

17
49
40
56
49
61
69
47
63
55
55
54
70
65
70
70
70
75
75
66
17
18
35
61

Low Clouds (% Sky Obscured)

17
23
23
23
22
26
28
29
33
30
21
16
14
54
60
65
60
60
70
62
8
5
18
47

Medium Clouds (% Sky Obscured)

1
27
20
41
33
40
36
14
39
40
35
29
30
25
25
0
0
0
0
6
10
15
16
13

High Clouds (% Sky Obscured)

1
15
25
15
3
11
17
32
17
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
1
6
9
11
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
1
2
7
7
9
18
1
1
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)

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

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-12
-12
-13
-13
-14
-14
-13
-12
-10
-7
-6
-5
-4
-4
-4
-4
-5
-8
-9
-11

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-13
-13
-13
-14
-15
-15
-16
-15
-15
-14
-13
-11
-11
-10
-9
-9
-8
-7
-8
-9
-11
-13

Relative Humidity (%)

88
86
86
86
88
86
86
84
86
86
86
84
81
76
69
69
68
68
70
76
80
87
87
85

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1020
1020
1019
1018
1017
1016
1015
1015
1015
1014
1015
1015
1016
1016

Ozone (du)

418
417
412
409
406
404
398
402
415
444
439
428
426
437
429
430
434
434
433
431
427
423
422
424

Thursday 5

Waning Gibbous 79%

21:37

09:00

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: 06:58, Set: 17:10, Transit: 12:04. Moon - Rise: 21:37, Set: 09:00. Civil Dark: 17:39 - 06:29. Nautical Dark: 18:13 - 05:55. Astro Dark: 18:46 - 05:22

Total Clouds (% Sky Obscured)

73
45
57
73
73
69
73
63
67
57
63
60
72
77
90
92
94
96
98
98
99
99
100
100

Low Clouds (% Sky Obscured)

58
18
19
20
21
13
12
11
9
8
9
7
10
14
19
25
32
69
78
77
79
76
81
83

Medium Clouds (% Sky Obscured)

18
25
32
40
37
43
42
37
27
22
31
40
54
67
82
85
88
91
94
95
96
96
98
99

High Clouds (% Sky Obscured)

4
4
4
2
1
1
3
3
5
5
4
0
0
7
13
20
13
7
0
21
42
63
75
85

ISS Passover

Visibility (miles)

6
5
6
6
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12
22
26
38
42

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
0.1

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
1
2
1
1
1
2
4
5
6
7
7
7
6
6
5
4
4

Chance of Frost

Temperature (°C)

-11
-12
-12
-13
-13
-13
-14
-14
-15
-15
-14
-13
-10
-8
-7
-5
-4
-4
-4
-4
-4
-6
-6
-6

Feels Like (°C)

-14
-15
-14
-15
-15
-15
-16
-17
-18
-18
-18
-16
-12
-11
-9
-9
-8
-8
-8
-7
-8
-10
-9
-10

Dew Point (°C)

-13
-14
-14
-15
-15
-15
-16
-16
-17
-17
-17
-15
-14
-12
-11
-10
-9
-7
-7
-6
-5
-7
-6
-7

Relative Humidity (%)

85
85
85
83
83
83
81
81
81
81
81
79
75
72
68
66
69
75
79
86
92
92
94
94

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1010
1010
1008
1006
1005
1004
1003
1002
1002
1001
1001
1001

Ozone (du)

421
414
410
405
401
403
405
414
412
411
409
408
402
402
403
404
406
403
396
392
391
390
388
389

Friday 6

Waning Gibbous 70%

22:44

09:19

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: 06:57, Set: 17:11, Transit: 12:04. Moon - Rise: 22:44, Set: 09:19. Civil Dark: 17:41 - 06:28. Nautical Dark: 18:14 - 05:54. Astro Dark: 18:47 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
92
84
75
70
70
66
58
58
48
48
56
64
63
67
70
78
66
56
46
53
59

Low Clouds (% Sky Obscured)

87
86
84
77
65
51
40
39
35
29
29
29
29
31
29
27
28
28
30
28
26
25
20
16

Medium Clouds (% Sky Obscured)

100
100
100
70
65
60
60
60
55
55
55
48
48
54
52
53
51
34
23
3
1
0
0
0

High Clouds (% Sky Obscured)

95
86
69
61
41
18
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
0
5
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
50
54
54
47
46
40
37
31
26
41
32
14
15
13
5
10
11
5
8
6
2
3
4

Precipitation Amount (mm)

0
0.1
0.2
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
6
9
10
10
10
11
12
12
13
14
14
15
15
16
16
16
16
15
14
14
13

Chance of Frost

Temperature (°C)

-6
-6
-6
-6
-8
-10
-13
-14
-16
-15
-16
-15
-15
-16
-15
-15
-14
-14
-15
-15
-16
-17
-18
-18

Feels Like (°C)

-10
-10
-10
-11
-14
-16
-19
-20
-22
-20
-20
-20
-21
-23
-22
-23
-22
-20
-21
-21
-22
-22
-23
-25

Dew Point (°C)

-7
-7
-7
-8
-12
-15
-18
-20
-21
-20
-20
-20
-21
-22
-21
-21
-19
-20
-20
-20
-21
-22
-23
-23

Relative Humidity (%)

94
92
90
82
74
68
66
60
63
65
66
64
61
59
60
60
62
61
62
63
63
63
62
62

Pressure (mb)

1000
999
998
998
999
1000
1000
1001
1002
1004
1005
1006
1007
1009
1009
1009
1010
1010
1011
1012
1013
1014
1015
1015

Ozone (du)

387
389
399
415
420
420
417
422
431
431
437
445
452
459
464
469
473
477
480
483
482
481
479
480

Saturday 7

Waning Gibbous 61%

23:49

09:42

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

Sun - Rise: 06:56, Set: 17:12, Transit: 12:04. Moon - Rise: 23:49, Set: 09:42. Civil Dark: 17:42 - 06:26. Nautical Dark: 18:15 - 05:53. Astro Dark: 18:49 - 05:19

Total Clouds (% Sky Obscured)

65
63
56
50
47
44
41
26
30
21
18
10
4
28
54
87
88
90
91
85
74
64
60
60

Low Clouds (% Sky Obscured)

11
9
6
0
0
0
0
0
0
0
0
0
0
0
3
9
5
9
10
9
14
23
23
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
24
45

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 (%)

1
6
6
2
4
4
0
1
1
1
4
3
0
0
0
0
0
0
0
1
1
1
3
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)

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

Chance of Frost

Temperature (°C)

-18
-18
-19
-19
-20
-20
-20
-20
-21
-21
-21
-20
-18
-17
-17
-15
-15
-15
-15
-15
-16
-17
-17
-18

Feels Like (°C)

-25
-25
-25
-25
-25
-26
-26
-27
-27
-27
-27
-26
-26
-25
-25
-24
-23
-22
-22
-22
-23
-23
-23
-25

Dew Point (°C)

-24
-24
-24
-24
-25
-25
-25
-26
-26
-26
-26
-25
-24
-23
-22
-21
-20
-20
-20
-20
-21
-22
-22
-23

Relative Humidity (%)

62
62
62
63
62
62
61
58
58
58
57
61
61
62
63
64
64
64
64
64
64
64
65
64

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1018
1018
1018

Ozone (du)

480
481
481
481
482
483
484
485
483
481
479
479
478
477
483
489
495
495
495
495
493
490
487
487

Sunday 8

Waning Gibbous 51%

00:55

10:08

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 06:55, Set: 17:14, Transit: 12:04. Moon - Rise: 00:55, Set: 10:08. Civil Dark: 17:43 - 06:25. Nautical Dark: 18:17 - 05:51. Astro Dark: 18:50 - 05:18

Total Clouds (% Sky Obscured)

55
51
43
44
34
28
25
30
35
39
40
36
27
26
26
34

Low Clouds (% Sky Obscured)

7
6
6
5
5
4
4
3
4
3
4
4
4
12
18
25

Medium Clouds (% Sky Obscured)

55
51
43
34
29
28
25
30
35
36
36
32
27
24
12
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
20
37
40
36
27
26
26
34

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-18
-18
-18
-18
-18
-18
-19
-19
-19
-19
-19
-18
-17
-15
-14
-13

Feels Like (°C)

-25
-25
-26
-26
-26
-24
-24
-24
-24
-24
-24
-23
-23
-22
-21
-21

Dew Point (°C)

-23
-23
-23
-23
-23
-23
-23
-24
-24
-24
-24
-23
-22
-21
-19
-18

Relative Humidity (%)

63
63
63
64
64
64
65
65
66
66
66
64
64
64
66
66

Pressure (mb)

1018
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1015
1014
1013

Ozone (du)

487
487
487
488
488
486
483
481
488
495
502
501
499
498
496
494

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

Generated: 02/02/26 21:02:49. Forecast: 02/02/26 to 08/02/26. Timezone: UTC-5.00