Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 1%

07:48

20:36

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 07:19, Set: 19:29, Transit: 13:25. Moon - Rise: 07:48, Set: 20:36. Civil Dark: 19:59 - 06:50. Nautical Dark: 20:33 - 06:15. Astro Dark: 21:08 - 05:40

Total Clouds (% Sky Obscured)

99
100
100
94
92
79
85
28
38
25
43
100
100
100
100
100
100
100
100
100
100
100
97
100

Low Clouds (% Sky Obscured)

99
100
100
94
83
65
84
35
35
14
9
0
0
30
47
4
7
48
74
100
100
100
95
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
12
23
70
60
100
100
100
100
100
100
100
100
100
85
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
4
16
100
100
100
100
100
100
100
100
100
100
96
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
0
1
0
0
0
0
0

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
31
13
28
41
1
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.6
3.5
3.3
2
1.2
0.5

Wind Speed/Direction (mph)

9
10
10
10
11
10
10
8
6
3
3
1
1
2
4
4
4
5
11
8
9
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
78
79
67
71
67
75
83
90
89
88
86
88
90
89
90
92
92
94
96
94
96
96

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1021
1021
1021
1022
1022
1021
1020
1020
1019
1018
1018
1015
1013
1012
1010
1009
1009

Ozone (du)

403
406
405
404
404
402
399
394
398
397
395
394
393
392
392
389
388
385
387
388
389
390
393
395

Saturday 21

Waxing Crescent 4%

08:11

21:56

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:17, Set: 19:31, Transit: 13:25. Moon - Rise: 08:11, Set: 21:56. Civil Dark: 20:00 - 06:48. Nautical Dark: 20:34 - 06:13. Astro Dark: 21:10 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
95
95
85
88
82
93
74
69
46
51
79
84
46
52
100
100
100
94

Low Clouds (% Sky Obscured)

100
100
100
99
100
100
94
75
53
55
47
45
47
41
46
51
68
65
10
12
11
40
12
40

Medium Clouds (% Sky Obscured)

0
0
0
0
2
8
24
54
66
72
52
80
0
8
0
6
4
14
33
44
59
100
100
86

High Clouds (% Sky Obscured)

0
0
0
0
3
1
4
81
55
0
0
0
0
0
0
0
0
4
46
52
100
24
2
4

ISS Passover

Visibility (miles)

1
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
7
8
8
9
9
9
9

Fog (%)

0
2
1
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 (%)

25
8
0
0
0
1
1
14
0
1
1
1
2
0
0
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
91
92
93
91
96
94
92
94
92
92
94
92
92
98
96
96
94
91
87
82
79
78

Pressure (mb)

1008
1007
1007
1007
1007
1008
1008
1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1016
1017
1018
1018
1019
1019

Ozone (du)

398
397
399
400
402
403
404
401
402
401
401
401
399
400
399
396
395
392
388
381
374
367
363
362

Sunday 22

Waxing Crescent 10%

08:41

23:17

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:15, Set: 19:32, Transit: 13:24. Moon - Rise: 08:41, Set: 23:17. Civil Dark: 20:01 - 06:46. Nautical Dark: 20:36 - 06:11. Astro Dark: 21:11 - 05:36

Total Clouds (% Sky Obscured)

88
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
98
100
89
100
100

Low Clouds (% Sky Obscured)

10
9
10
10
20
98
95
79
95
94
100
100
100
100
100
94
100
100
91
89
80
74
83
74

Medium Clouds (% Sky Obscured)

82
100
100
100
100
100
100
100
100
100
100
99
100
100
99
100
100
100
87
45
83
68
91
100

High Clouds (% Sky Obscured)

53
100
100
100
100
100
96
100
88
100
100
100
100
100
100
100
77
97
65
22
100
46
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
1
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

3
15
0
0
0
6
35
66
83
95
93
95
95
95
93
80
79
76
63
58
60
46
44
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.5
0.6
0.7
0.7
0.7
0.7
0.7
0.5
0.5
0.5
0.3
0.3
0.3
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
74
74
74
79
86
91
96
96
98
98
96
98
98
96
98
98
98
98
98
98
94
96

Pressure (mb)

1019
1018
1017
1016
1015
1015
1015
1014
1014
1013
1012
1011
1011
1010
1009
1008
1007
1006
1006
1006
1007
1008
1009
1009

Ozone (du)

360
360
359
360
357
355
354
354
352
347
343
341
338
338
336
336
335
336
334
335
336
337
335
335

Monday 23

Waxing Crescent 19%

09:18

00:40

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 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Good
09 OK
10 OK
11 OK

Sun - Rise: 07:13, Set: 19:33, Transit: 13:24. Moon - Rise: 09:18, Set: 00:40. Civil Dark: 20:03 - 06:44. Nautical Dark: 20:37 - 06:09. Astro Dark: 21:13 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
74
63
63
43
23
3
2
2
3
13
40
45
36

Low Clouds (% Sky Obscured)

52
61
52
63
48
64
54
50
22
40
30
15
2
2
2
2
2
2
2
2
7
12
19
14

Medium Clouds (% Sky Obscured)

82
68
86
100
100
100
100
100
100
100
64
44
47
45
30
17
0
0
0
1
7
35
35
33

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
45
50
63
63
43
23
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
4
3
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

Snow
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 (%)

43
28
23
21
17
4
3
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
0
-0
0
-1
-1
-2
-3
-4
-5
-6
-7
-7
-7
-8
-8
-9
-10
-10
-11
-11
-10
-10
-8

Dew Point (°C)

2
3
3
3
2
1
0
-1
-2
-2
-3
-5
-5
-6
-7
-8
-8
-9
-9
-10
-11
-10
-10
-9

Relative Humidity (%)

98
98
93
96
89
86
83
80
81
84
86
82
82
84
84
84
84
85
85
85
83
76
70
65

Pressure (mb)

1010
1010
1011
1012
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1024
1024
1024

Ozone (du)

335
334
330
328
326
323
324
325
326
327
332
340
344
347
349
351
354
354
354
357
361
366
373
375

Tuesday 24

Waxing Crescent 29%

10:07

01:58

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

Sun - Rise: 07:11, Set: 19:35, Transit: 13:24. Moon - Rise: 10:07, Set: 01:58. Civil Dark: 20:04 - 06:42. Nautical Dark: 20:38 - 06:07. Astro Dark: 21:14 - 05:31

Total Clouds (% Sky Obscured)

34
16
15
20
36
52
68
87
85
80
77
48
33
39
45
46
46
42
41
34
45
54
63
80

Low Clouds (% Sky Obscured)

7
1
0
2
15
20
15
17
6
16
22
8
2
2
8
14
18
22
30
33
28
22
16
34

Medium Clouds (% Sky Obscured)

34
12
11
12
11
52
68
86
80
72
65
47
33
39
45
43
39
32
24
17
31
44
57
57

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
54
63
55

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-3
0
0
-1
-2
-3
-4
-6
-8
-8
-8
-8
-7
-8
-8
-8
-7
-8
-9
-9
-6
-4
-2

Dew Point (°C)

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

Relative Humidity (%)

63
60
59
57
56
58
64
72
78
78
81
84
90
92
92
94
94
92
94
94
87
74
67
62

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1026

Ozone (du)

378
388
395
398
401
404
406
408
407
407
407
411
412
411
417
417
411
405
399
389
385
382
387
390

Wednesday 25

First Quarter 40%

11:09

03:07

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:09, Set: 19:36, Transit: 13:24. Moon - Rise: 11:09, Set: 03:07. Civil Dark: 20:05 - 06:40. Nautical Dark: 20:40 - 06:05. Astro Dark: 21:16 - 05:29

Total Clouds (% Sky Obscured)

88
100
94
89
85
92
96
100
98
96
95
92
89
87
83
79
77
89
92
93
97
99
100
90

Low Clouds (% Sky Obscured)

50
62
2
3
4
35
66
98
95
92
90
89
89
87
82
71
57
64
69
73
81
85
87
64

Medium Clouds (% Sky Obscured)

56
100
94
89
85
92
96
100
90
80
70
56
44
30
20
10
0
0
1
1
22
44
70
65

High Clouds (% Sky Obscured)

36
20
5
4
4
4
0
0
4
4
6
8
11
20
14
8
0
11
25
45
48
52
40
32

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
26
0
0
0
9
20
32
55
69
76
69
60
50
34
20
5
9
11
10
8
5
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
9
9
9
9
9
9
9
9
9
9
10
11
11
10
9
9
9
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-5
-5
-5
-5
-6
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-5
-6
-6
-7
-8
-10

Relative Humidity (%)

60
60
57
59
59
60
66
70
76
78
79
81
81
83
81
86
89
91
91
87
85
81
75
69

Pressure (mb)

1025
1024
1023
1025
1024
1023
1022
1022
1021
1021
1020
1020
1019
1019
1019
1020
1021
1022
1023
1024
1025
1026
1026
1027

Ozone (du)

392
394
397
400
403
407
415
424
433
441
449
457
461
464
468
468
467
467
463
460
456
447
438
429

Thursday 26

Waxing Gibbous 52%

No Rise

04:01

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

Sun - Rise: 07:07, Set: 19:37, Transit: 13:23. Moon - Rise: No Rise, Set: 04:01. Civil Dark: 20:06 - 06:38. Nautical Dark: 20:41 - 06:03. Astro Dark: 21:17 - 05:27

Total Clouds (% Sky Obscured)

80
67
44
22
0
4
8
12
37
58
78
86
93
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

42
19
12
6
0
2
2
1
6
11
16
13
14
10
46
70
100
99
98
98
94
89
85
86

Medium Clouds (% Sky Obscured)

60
56
40
22
0
4
8
12
37
58
78
83
84
84
89
96
100
100
99
99
99
100
100
100

High Clouds (% Sky Obscured)

43
52
44
22
0
4
8
12
30
40
30
50
68
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
3
1
3
6
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
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
0
8
15
23
42
56
69
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
1
1.4
1.4
1.3
1.2
1.1
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-8
-7
-7
-7
-7
-8
-8
-8
-9
-9
-8
-8
-9
-10
-9
-9
-9
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

65
61
58
57
56
57
59
64
69
69
70
70
74
79
85
85
84
85
84
82
79
78
75
74

Pressure (mb)

1027
1027
1027
1026
1026
1025
1025
1025
1025
1025
1024
1023
1022
1020
1019
1017
1016
1015
1013
1010
1008
1006
1005
1003

Ozone (du)

423
417
411
405
398
392
387
382
376
374
371
369
365
361
357
349
342
335
331
327
323
318
313
308

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 20/03/26 02:16:07. Forecast: 20/03/26 to 26/03/26. Timezone: UTC-4.00