Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Crescent 43%

09:14

01:06

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 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:26, Set: 17:27, Transit: 11:57. Moon - Rise: 09:14, Set: 01:06. Civil Dark: 17:56 - 05:57. Nautical Dark: 18:28 - 05:25. Astro Dark: 19:01 - 04:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
77
66
81
85

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
100
98
100
78
54
45
30
37
23
0
6
13
22
7

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
67
60
61
29
17
22
30

High Clouds (% Sky Obscured)

100
87
100
100
100
100
100
100
95
100
100
100
100
30
29
24
19
100
27
30
30
25
35
52

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
89
68
43
22
10
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.8
2.1
1.7
2.3
1.8
1.3
1
0.7
1
0.9
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

26
25
26
27
34
31
29
28
26
26
23
19
17
17
17
17
17
16
15
15
14
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
94
96
92
92
90
91
91
92
91
89
82
81
79
79
76
76
76
78
79
81
81
81

Pressure (mb)

997
996
994
993
992
992
991
991
992
993
994
996
997
998
999
1000
1000
1000
1001
1001
1002
1003
1004
1005

Ozone (du)

405
412
423
434
441
443
447
451
454
449
442
433
423
423
425
422
415
413
417
418
416
419
417
423

Tuesday 24

First Quarter 55%

09:56

02:20

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

Sun - Rise: 06:24, Set: 17:28, Transit: 11:57. Moon - Rise: 09:56, Set: 02:20. Civil Dark: 17:57 - 05:56. Nautical Dark: 18:29 - 05:23. Astro Dark: 19:02 - 04:51

Total Clouds (% Sky Obscured)

74
12
20
21
46
64
52
40
47
55
53
47
42
9
3
14
22
19
58
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
7
20
14
32
35
14
10
25
20
14
13
19
2
1
3
2
1
1
1
15
14
62
94

Medium Clouds (% Sky Obscured)

3
0
1
10
3
1
0
0
0
0
0
0
0
3
0
7
16
13
29
36
77
100
100
100

High Clouds (% Sky Obscured)

74
2
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
2
18
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
3
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
1
15
12
19
21
12
2
9
0
0
0
0
0
0
0
0
0
0
8
49

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
82
81
78
76
75
75
77
83
81
83
84
84
84
85
87
87
85
82
82
83
85
85
89

Pressure (mb)

1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1009
1010
1011
1011
1012
1012
1012
1011
1011
1011
1010
1010
1009

Ozone (du)

417
408
417
423
427
436
439
439
438
440
440
438
438
436
437
436
432
433
429
429
434
428
422
424

Wednesday 25

Waxing Gibbous 67%

10:49

03:24

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 Bad
02 Bad
03 Good
04 OK
05 OK
06 Bad

Sun - Rise: 06:22, Set: 17:30, Transit: 11:57. Moon - Rise: 10:49, Set: 03:24. Civil Dark: 17:58 - 05:54. Nautical Dark: 18:30 - 05:22. Astro Dark: 19:03 - 04:49

Total Clouds (% Sky Obscured)

100
100
100
97
97
98
92
91
65
72
88
50
44
91
93
92
89
70
67
51
2
20
32
44

Low Clouds (% Sky Obscured)

98
98
91
84
91
93
83
82
65
72
84
33
35
82
91
83
77
53
42
30
1
2
1
1

Medium Clouds (% Sky Obscured)

100
100
100
92
75
90
88
91
65
5
58
8
6
7
8
7
15
0
0
0
0
5
10
15

High Clouds (% Sky Obscured)

100
100
100
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
8

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
2
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
73
41
25
21
14
2
17
12
2
4
27
45
36
4
1
1
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.9
0.8
0.3
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
10
11
12
10
12
10
10
10
11
10
9
10
10
12
10
9
9
10
10
10
10
11
11

Chance of Frost

Temperature (°C)

-6
-4
-2
0
1
2
2
3
3
3
3
3
2
2
2
2
2
1
0
-1
-2
-2
-3
-3

Feels Like (°C)

-10
-9
-7
-5
-3
-3
-2
-2
-1
-2
-1
-2
-2
-3
-3
-3
-3
-4
-5
-6
-7
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

92
96
98
100
100
100
100
100
100
98
94
94
93
94
91
96
98
84
80
80
81
82
82
82

Pressure (mb)

1007
1006
1005
1004
1003
1002
1001
1001
1000
1001
1001
1002
1002
1003
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012

Ozone (du)

422
416
417
420
427
430
431
430
435
441
448
454
455
457
455
454
450
448
447
446
446
442
436
438

Thursday 26

Waxing Gibbous 78%

11:55

04:17

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 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:21, Set: 17:31, Transit: 11:57. Moon - Rise: 11:55, Set: 04:17. Civil Dark: 17:59 - 05:53. Nautical Dark: 18:32 - 05:20. Astro Dark: 19:04 - 04:48

Total Clouds (% Sky Obscured)

48
48
67
75
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
90

Low Clouds (% Sky Obscured)

1
1
1
11
20
28
44
60
82
89
73
100
100
100
100
100
100
100
100
100
100
94
88
82

Medium Clouds (% Sky Obscured)

20
20
25
25
48
100
100
87
100
100
100
100
100
100
100
100
100
100
100
100
100
91
82
67

High Clouds (% Sky Obscured)

37
48
67
75
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
67
33
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
1
0
0
0
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
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
1
21
31
43
69
88
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.3
0.5
0.9
0.8
1.2
1.2
1.8
2.3
2.3
2.1
2.1
1.7
1.5
1.1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
83
83
84
84
86
87
87
86
91
92
92
94
96
98
98
98
98
98
98
98
98
98

Pressure (mb)

1013
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1011
1009
1009
1008
1008
1007
1007
1007
1008

Ozone (du)

439
440
444
442
442
434
431
429
425
422
420
416
413
409
404
400
399
399
397
398
400
399
399
401

Friday 27

Waxing Gibbous 87%

13:08

04:58

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

Sun - Rise: 06:19, Set: 17:32, Transit: 11:56. Moon - Rise: 13:08, Set: 04:58. Civil Dark: 18:00 - 05:51. Nautical Dark: 18:33 - 05:19. Astro Dark: 19:05 - 04:46

Total Clouds (% Sky Obscured)

80
68
62
48
38
35
40
40
36
65
72
80
75
65
60
43
29
19
14
11
10
11
9
8

Low Clouds (% Sky Obscured)

73
65
55
38
18
0
0
5
4
5
5
20
33
22
16
7
5
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

51
24
15
0
0
0
0
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
1
3
5
6

ISS Passover

Visibility (miles)

0
0
0
2
2
9
9
9
1
0
0
0
1
4
6
9
7
6
5
7
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

74
44
15
5
9
2
0
2
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
96
92
94
92
89
89
94
96
98
98
98
96
96
94
92
92
90
90
89
89
87
86

Pressure (mb)

1008
1009
1011
1012
1013
1013
1014
1015
1015
1016
1018
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023

Ozone (du)

402
399
397
401
402
414
409
402
397
395
394
394
395
393
392
391
388
386
383
383
383
383
380
377

Saturday 28

Waxing Gibbous 93%

14:25

05:30

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

Sun - Rise: 06:18, Set: 17:33, Transit: 11:56. Moon - Rise: 14:25, Set: 05:30. Civil Dark: 18:01 - 05:50. Nautical Dark: 18:34 - 05:17. Astro Dark: 19:07 - 04:45

Total Clouds (% Sky Obscured)

10
9
8
29
50
71
79
82
74
51
39
20
16
10
3
12
24
53
69
81
92
97
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
8
8
14
25
34
48
56

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
7
5
2
2
1
0
3
6
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
0
0
0
0
0
0
2
2
0
1
1
2
0
0
0
4
5
5
5
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
93
96
98
100
100
98
98
96
96
94
94
94
94
94
94
94
96
94
94
94
96
98

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

374
373
372
371
371
371
370
371
372
373
372
371
370
370
370
370
367
364
362
360
359
357
358
359

Sunday 1

Waxing Gibbous 98%

15:41

05:56

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 OK
23 OK
00 Good

Sun - Rise: 06:16, Set: 17:35, Transit: 11:56. Moon - Rise: 15:41, Set: 05:56. Civil Dark: 18:03 - 05:48. Nautical Dark: 18:35 - 05:15. Astro Dark: 19:08 - 04:43

Total Clouds (% Sky Obscured)

89
79
69
78
87
91
100
90
85
80
74
63
61
56
55
35
18
2

Low Clouds (% Sky Obscured)

48
50
43
51
76
91
100
90
85
78
43
12
10
8
9
8
8
1

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
6
3
0
0
0
0
0
0
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

4
5
5
8
9
8
8
7
3
4
5
0
2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-3
-2
-2
-3
-3
-2
-2
-2
-3
-3
-3
-3
-6
-6
-8
-8
-9

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
100
98
100
100
98
98
94
89
84
81
79
76
76
74

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1022
1022
1023
1024
1026
1027
1028
1029
1030
1031
1032

Ozone (du)

360
362
365
367
369
372
374
378
383
387
381
375
370
370
370
370
371
372

Forecast for Brookline, Norfolk, United States of America (42.33,-71.12)

Generated: 23/02/26 07:49:52. Forecast: 23/02/26 to 01/03/26. Timezone: UTC-5.00