Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Gibbous 93%

19:20

08:01

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

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 - 05:57. Astro Dark: 18:43 - 05:24

Total Clouds (% Sky Obscured)

5
34
21
5
2
47
8
47
77
72
52
44
19
25
14
22
30
23
31
42
53
74
74
71

Low Clouds (% Sky Obscured)

2
7
9
4
1
1
2
6
24
23
15
5
19
24
7
13
20
0
7
35
41
64
74
70

Medium Clouds (% Sky Obscured)

5
2
1
0
0
47
5
46
44
46
50
44
0
0
0
0
3
11
3
0
15
32
49
49

High Clouds (% Sky Obscured)

5
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)

6
6
7
9
9
9
9
9
9
9
9
9
9
7
6
4
4
4
3
3
3
3
3
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
1
9
31

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
1
3
4
5
6
7

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

Chance of Frost

Temperature (°C)

-17
-18
-17
-13
-7
-4
-3
-1
-1
-1
-2
-4
-6
-8
-9
-10
-11
-11
-12
-13
-13
-14
-14
-14

Feels Like (°C)

-20
-21
-19
-15
-8
-5
-3
-2
-2
-4
-5
-5
-8
-9
-11
-12
-13
-14
-14
-15
-16
-16
-17
-17

Dew Point (°C)

-19
-20
-19
-16
-10
-8
-6
-5
-6
-6
-5
-5
-7
-9
-11
-12
-12
-13
-14
-14
-15
-15
-15
-16

Relative Humidity (%)

83
82
83
81
79
76
75
74
71
70
79
91
90
88
88
88
86
86
86
88
86
86
86
84

Pressure (mb)

1021
1021
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1020
1020

Ozone (du)

406
400
397
392
400
392
387
385
383
376
373
376
380
380
377
377
378
383
386
385
387
391
392
396

Wednesday 4

Waning Gibbous 87%

20:30

08:22

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

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 - 05:56. Astro Dark: 18:44 - 05:23

Total Clouds (% Sky Obscured)

57
6
3
19
15
6
6
14
7
21
3
7
7
7
16
55
74
69
72
50
94
95
81
36

Low Clouds (% Sky Obscured)

48
6
3
17
12
5
6
14
6
18
3
7
7
5
16
27
28
43
45
48
34
35
34
33

Medium Clouds (% Sky Obscured)

22
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
67
56
72
50
94
95
81
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
25
25
16
24
35
38
25
20
25

ISS Passover

Visibility (miles)

6
8
9
9
9
9
9
9
9
9
9
9
9
9
4
4
4
3
3
2
3
3
3
4

Fog (%)

33
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-13
-11
-10
-8
-8
-7
-7
-6
-6
-7
-9
-10
-11
-11
-13
-14
-15
-15
-15
-16
-16
-16

Dew Point (°C)

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

Relative Humidity (%)

86
85
85
75
70
70
66
65
64
67
76
87
87
88
87
88
88
88
86
86
88
90
88
90

Pressure (mb)

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

Ozone (du)

401
408
412
416
420
428
432
428
425
424
423
422
417
410
410
416
411
406
393
384
386
384
400
431

Thursday 5

Waning Gibbous 79%

21:37

08:41

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

Sun - Rise: 07:00, Set: 17:08, Transit: 12:04. Moon - Rise: 21:37, Set: 08:41. Civil Dark: 17:38 - 06:30. Nautical Dark: 18:12 - 05:55. Astro Dark: 18:45 - 05:22

Total Clouds (% Sky Obscured)

40
49
39
45
76
63
62
59
63
66
8
11
30
46
91
96
90
52
54
59
75
58
43
99

Low Clouds (% Sky Obscured)

31
25
7
16
65
63
62
59
63
66
6
5
21
12
55
56
50
18
18
16
14
16
7
8

Medium Clouds (% Sky Obscured)

40
49
35
20
15
20
20
0
0
0
0
6
16
46
65
62
75
52
54
59
59
42
43
37

High Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
0
0
0
0
6
30
25
25
29
38
36
45
9
2
55

ISS Passover

Visibility (miles)

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

Fog (%)

2
6
15
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
1
1
4
9
8
9
9
6
2
1
0
1
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)

2
2
2
2
3
6
8
9
9
9
8
6
4
3
3
3
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-16
-13
-10
-10
-9
-10
-9
-9
-10
-8
-10
-12
-12
-15
-16
-16
-16
-16
-16
-16
-16
-16

Dew Point (°C)

-14
-15
-14
-12
-10
-10
-9
-9
-9
-8
-9
-9
-10
-11
-12
-13
-14
-14
-15
-15
-15
-16
-16
-17

Relative Humidity (%)

88
88
86
83
76
70
68
66
69
70
73
82
88
88
88
86
86
86
84
84
83
83
83
81

Pressure (mb)

1018
1019
1018
1018
1017
1016
1015
1014
1014
1013
1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

443
428
427
432
426
420
428
424
413
411
412
416
414
415
416
413
405
403
400
398
404
404
402
405

Friday 6

Waning Gibbous 70%

22:44

09:00

06 Bad
07 Bad
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:58, Set: 17:10, Transit: 12:04. Moon - Rise: 22:44, Set: 09:00. Civil Dark: 17:39 - 06:29. Nautical Dark: 18:13 - 05:54. Astro Dark: 18:46 - 05:21

Total Clouds (% Sky Obscured)

100
73
32
35
76
96
100
100
100
100
99
98
96
98
99
100
100
100
99
98
96
95
97
98

Low Clouds (% Sky Obscured)

4
4
4
4
4
4
4
14
85
96
96
96
95
95
95
96
94
93
92
92
93
91
94
96

Medium Clouds (% Sky Obscured)

35
27
16
20
28
87
100
100
100
100
98
97
95
96
98
100
99
98
97
92
87
82
88
94

High Clouds (% Sky Obscured)

60
38
3
5
43
75
100
70
39
9
9
10
11
22
28
39
27
14
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
3
0
0
0
0
0
0
1
1
0
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
3
9
15
19
39
59
61
57
62
62
53
45
46
50
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-15
-15
-13
-10
-9
-7
-6
-5
-5
-5
-5
-6
-7
-8
-7
-7
-7
-7
-7
-7
-7
-8
-8
-9

Feels Like (°C)

-18
-18
-15
-12
-10
-10
-10
-9
-9
-9
-9
-10
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-13

Dew Point (°C)

-17
-17
-16
-14
-13
-12
-11
-10
-9
-9
-8
-8
-8
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-10

Relative Humidity (%)

82
82
79
77
72
70
69
67
70
73
79
89
92
92
90
90
92
92
92
92
94
94
94
88

Pressure (mb)

1012
1011
1011
1010
1009
1008
1006
1005
1004
1003
1002
1002
1002
1002
1001
1000
999
999
998
997
997
996
996
996

Ozone (du)

405
406
402
401
399
394
394
395
398
396
393
394
396
393
394
398
402
407
422
432
441
446
449
449

Saturday 7

Waning Gibbous 61%

23:49

09:19

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 Bad
23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
05 OK

Sun - Rise: 06:57, Set: 17:11, Transit: 12:04. Moon - Rise: 23:49, Set: 09:19. Civil Dark: 17:41 - 06:28. Nautical Dark: 18:14 - 05:53. Astro Dark: 18:47 - 05:19

Total Clouds (% Sky Obscured)

100
100
92
95
98
98
97
98
97
94
98
98
99
92
86
79
63
43
28
20
15
6
5
4

Low Clouds (% Sky Obscured)

100
94
81
77
80
82
83
86
88
89
89
86
86
67
49
30
19
16
9
2
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
90
90
82
66
64
61
58
60
59
54
53
48
43
39
28
15
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
7
6
7
7
7
7
8
9
9
7
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

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

Precipitation Probability (%)

59
58
52
40
32
29
24
31
33
30
33
33
34
46
32
13
13
10
1
2
3
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
11
12
14
16
16
17
17
17
16
16
15
15
15
14
14
14
13
12
11
10
10
10
10

Chance of Frost

Temperature (°C)

-10
-12
-13
-15
-17
-17
-16
-16
-16
-17
-18
-18
-18
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19

Feels Like (°C)

-17
-19
-21
-22
-24
-24
-24
-24
-24
-25
-25
-26
-26
-26
-26
-26
-27
-26
-26
-25
-26
-26
-25
-25

Dew Point (°C)

-14
-16
-18
-19
-22
-22
-21
-21
-22
-22
-23
-24
-24
-24
-24
-24
-24
-24
-24
-24
-24
-25
-24
-24

Relative Humidity (%)

72
69
68
67
65
64
64
64
63
63
63
63
61
61
61
61
62
63
63
63
62
62
61
61

Pressure (mb)

997
999
1001
1002
1003
1004
1004
1004
1005
1006
1007
1008
1010
1011
1012
1012
1013
1014
1014
1015
1015
1016
1016
1017

Ozone (du)

451
454
458
463
462
467
476
485
491
489
481
485
495
502
501
500
499
495
492
488
486
484
481
481

Sunday 8

Waning Gibbous 51%

00:55

09:42

06 OK
07 OK
08 OK
09 OK
10 OK
11 Bad
12 OK
13 OK
14 Bad
15 Bad
16 OK
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

Sun - Rise: 06:56, Set: 17:12, Transit: 12:04. Moon - Rise: 00:55, Set: 09:42. Civil Dark: 17:42 - 06:26. Nautical Dark: 18:15 - 05:51. Astro Dark: 18:49 - 05:18

Total Clouds (% Sky Obscured)

4
4
4
4
15
24
32
41
50
59
36
41
27
43
50
66
77
83
95
95
95
95
90
80

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
0
5
10
5
10
10
10
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
32
64
95
95
95
95
90
80

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
3
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
2
2
0
0
0
0
1
2
2
7
7
2
8
9
2
7
7
4
8
8
4
10
11

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)

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

Chance of Frost

Temperature (°C)

-19
-19
-18
-18
-17
-16
-15
-14
-15
-15
-15
-16
-17
-18
-18
-18
-19
-19
-18
-18
-19
-19
-19
-19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
59
58
59
59
59
61
63
64
65
64
63
63
65
66
66
67
68
68
68
67
67

Pressure (mb)

1018
1018
1019
1019
1020
1019
1019
1019
1019
1019
1019
1019
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

480
480
480
480
480
480
481
481
489
498
506
506
505
505
510
515
521
518
516
514
511
508
505
500

Monday 9

Third Quarter 48%

02:00

10:08

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

Sun - Rise: 06:55, Set: 17:14, Transit: 12:04. Moon - Rise: 02:00, Set: 10:08. Civil Dark: 17:43 - 06:25. Nautical Dark: 18:17 - 05:50. Astro Dark: 18:50 - 05:17

Total Clouds (% Sky Obscured)

70
65
65
60
62
58
72
56
38
29
23
17
10
10
10
9
28
53
76

Low Clouds (% Sky Obscured)

24
28
22
20
21
27
38
32
23
15
12
8
5
5
5
5
5
5
5

Medium Clouds (% Sky Obscured)

70
65
65
60
61
52
44
35
22
17
14
11
6
6
5
5
16
33
49

High Clouds (% Sky Obscured)

9
12
12
8
4
7
6
2
5
3
4
2
0
0
0
0
1
4
10

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
7
7
0
2
4
1
7
4
0
4
3
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-26
-26
-24
-23
-22
-22
-21
-21
-17
-17
-17
-17
-17
-17
-20
-20
-19
-20
-20

Dew Point (°C)

-23
-23
-22
-20
-19
-18
-17
-16
-15
-15
-15
-16
-17
-18
-19
-20
-21
-21
-21

Relative Humidity (%)

68
69
67
67
67
66
66
66
68
70
72
75
77
81
80
80
80
80
80

Pressure (mb)

1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

496
491
488
484
481
476
472
468
466
464
462
453
444
435
429
424
419
415
411

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

Generated: 03/02/26 06:51:24. Forecast: 03/02/26 to 09/02/26. Timezone: UTC-5.00