Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 18

New Moon 1%

07:23

20:33

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
21 OK
22 Bad

Sun - Rise: 07:17, Set: 19:26, Transit: 13:21. Moon - Rise: 07:23, Set: 20:33. Civil Dark: 19:55 - 06:47. Nautical Dark: 20:30 - 06:12. Astro Dark: 21:05 - 05:37

Total Clouds (% Sky Obscured)

99
96
95
98
98
98
100
100
98
97
87
95
100
100
100
100
99
89
80
70
70
29
27
73

Low Clouds (% Sky Obscured)

95
94
94
95
93
93
94
95
95
97
87
95
100
100
100
100
99
87
78
67
66
5
1
2

Medium Clouds (% Sky Obscured)

96
87
58
59
37
38
48
51
40
0
0
0
0
0
0
0
0
0
0
0
31
29
26
70

High Clouds (% Sky Obscured)

50
50
55
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
3
0
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
1
1
3
2
2
2
9
9
9
9
3
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

42
39
54
47
50
50
48
46
46
39
29
31
33
31
35
31
25
14
13
6
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
8
8
8
8
8
7
7
8
9
10
10
10
10
10
11
9
8
8
5
4
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
92
92
92
94
92
94
94
92
87
86
81
84
83
83
77
77
78
84
92
91
96

Pressure (mb)

1023
1022
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1019
1020
1020
1021
1021

Ozone (du)

398
401
401
403
402
400
402
403
405
406
405
403
405
405
405
405
405
405
405
404
400
397
395
394

Thursday 19

Waxing Crescent 4%

07:43

21:53

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
21 Bad
22 Bad

Sun - Rise: 07:15, Set: 19:27, Transit: 13:21. Moon - Rise: 07:43, Set: 21:53. Civil Dark: 19:56 - 06:45. Nautical Dark: 20:31 - 06:10. Astro Dark: 21:07 - 05:35

Total Clouds (% Sky Obscured)

97
100
100
100
99
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
96
100
100
100

Low Clouds (% Sky Obscured)

1
9
12
24
47
67
70
85
100
100
100
100
94
93
100
100
100
100
100
100
91
100
100
100

Medium Clouds (% Sky Obscured)

76
57
75
100
95
100
100
100
100
100
100
100
100
63
25
25
11
73
75
0
21
44
70
48

High Clouds (% Sky Obscured)

35
100
76
100
79
100
100
100
100
100
100
100
100
85
85
90
85
5
0
0
0
3
50
31

ISS Passover

Visibility (miles)

7
4
4
4
9
9
2
3
1
0
0
0
0
0
0
1
2
9
9
9
9
5
9
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
4
20
43
78
95
95
95
95
95
40
22
18
1
1
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.5
1
1.4
1.6
1.1
0.7
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
94
94
96
92
94
96
94
94
94
96
92
92
89
89
88
84
89
89
89
94
96

Pressure (mb)

1021
1021
1021
1021
1020
1020
1019
1019
1018
1016
1015
1014
1012
1011
1010
1010
1009
1009
1009
1009
1011
1011
1012
1013

Ozone (du)

393
392
392
392
392
392
392
391
392
393
391
390
391
393
394
393
393
394
396
398
400
402
401
400

Friday 20

Waxing Crescent 10%

08:06

No Set

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
21 Bad
22 Bad

Sun - Rise: 07:13, Set: 19:28, Transit: 13:20. Moon - Rise: 08:06, Set: No Set. Civil Dark: 19:58 - 06:43. Nautical Dark: 20:33 - 06:08. Astro Dark: 21:08 - 05:32

Total Clouds (% Sky Obscured)

100
97
100
98
96
94
82
100
70
100
99
100
100
100
100
100
100
97
97
99
99
98
97
95

Low Clouds (% Sky Obscured)

91
93
91
83
87
82
82
82
70
61
63
70
83
98
88
89
88
78
74
90
83
84
84
84

Medium Clouds (% Sky Obscured)

96
51
71
64
26
23
71
97
70
75
68
100
100
99
75
100
99
94
93
98
97
94
90
86

High Clouds (% Sky Obscured)

34
3
3
3
3
5
9
99
5
74
72
95
100
38
35
3
3
4
72
75
75
70
80
70

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
5
5
9
9
9
7
8
9
9
9
9
7
2
1
2
0

Fog (%)

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

Precipitation Probability (%)

1
0
10
7
0
0
0
0
0
0
0
0
0
2
12
19
29
39
30
28
54
36
49
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
94
96
96
96
96
91
87
83
83
81
81
84
86
89
91
94
98
96
98

Pressure (mb)

1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1015
1015
1014
1014
1013
1012
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

399
397
398
399
399
393
392
391
390
383
374
369
366
365
365
363
361
362
365
364
362
358
353
350

Saturday 21

Waxing Crescent 19%

08:34

23:15

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
21 Bad
22 Bad

Sun - Rise: 07:11, Set: 19:29, Transit: 13:20. Moon - Rise: 08:34, Set: 23:15. Civil Dark: 19:59 - 06:41. Nautical Dark: 20:34 - 06:06. Astro Dark: 21:10 - 05:30

Total Clouds (% Sky Obscured)

94
94
93
92
91
91
90
89
89
79
71
62
75
87
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

86
87
89
89
90
90
89
89
88
78
69
60
43
20
5
5
25
25
20
15
15
15
15
15

Medium Clouds (% Sky Obscured)

74
41
50
45
18
40
32
23
4
45
45
45
63
82
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

75
70
70
70
56
51
46
45
5
30
30
24
28
69
100
90
80
71
80
90
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
8
1
0
5
5
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

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

Precipitation Probability (%)

72
59
64
64
45
35
44
44
46
37
33
62
39
36
63
81
84
95
95
95
90
80
79
73

Precipitation Amount (mm)

0.3
0.2
0.3
0.3
0.1
0.1
0.2
0.2
0.2
0
0
0.3
0
0
0.2
0.4
0.5
0.8
0.9
0.8
0.6
0.5
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
100
100
98
98
96
92
92
96
92
91
98
98
92
96
94
94
94
92
92

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1014
1015
1016
1017
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

346
343
336
333
330
331
333
332
335
333
333
331
328
327
326
324
321
319
318
320
318
314
313
314

Sunday 22

Waxing Crescent 29%

09:11

00:38

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 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:09, Set: 19:31, Transit: 13:20. Moon - Rise: 09:11, Set: 00:38. Civil Dark: 20:00 - 06:39. Nautical Dark: 20:35 - 06:04. Astro Dark: 21:12 - 05:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
96
94
93
93
93
92
33
32
40
60
65
73
87
90
90

Low Clouds (% Sky Obscured)

28
42
58
77
89
100
98
96
93
91
89
84
75
73
71
5
6
9
9
9
5
5
5
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
97
95
92
91
89
87
89
90
91
33
32
40
47
53
60
56
56
55

High Clouds (% Sky Obscured)

100
100
91
64
35
2
1
1
0
0
0
0
0
0
0
5
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
1
1
1
2
2
4
6
9
9
9
9
9
9
9
9
9
9
9
7
6

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

Precipitation Probability (%)

58
56
49
49
45
43
54
56
59
50
42
36
33
27
21
0
0
0
7
9
11
9
6
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
8
8
8
7
8
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
88
88
87
88
88
85
88
87
85
78
74
71
70
69
71
71
71
75
78
82
84
84

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1021
1021
1021
1021
1022
1023
1024
1024

Ozone (du)

315
319
328
333
339
346
347
350
357
359
362
361
364
371
377
383
389
395
400
403
405
408
408
408

Monday 23

Waxing Crescent 40%

10:00

01:57

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

Sun - Rise: 07:07, Set: 19:32, Transit: 13:20. Moon - Rise: 10:00, Set: 01:57. Civil Dark: 20:02 - 06:37. Nautical Dark: 20:37 - 06:02. Astro Dark: 21:13 - 05:26

Total Clouds (% Sky Obscured)

83
74
71
66
47
40
43
55
61
53
32
14
35
56
75
79
84
90
93
97
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
5
5
5
10
14
23
22
16
15
7
5
3
0
0
0
1
6
10
15
20
25
25

Medium Clouds (% Sky Obscured)

59
70
71
65
44
26
16
8
0
0
1
1
26
49
73
78
84
90
93
97
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
15
34
74
79
53
20
0
0
0
0

ISS Passover

Visibility (miles)

4
3
3
2
2
3
3
3
3
3
5
7
9
9
9
9
9
9
9
7
4
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 (%)

6
6
7
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
19
28
39

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)

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

Chance of Frost

Temperature (°C)

-7
-8
-8
-9
-9
-10
-11
-11
-11
-12
-10
-7
-5
-4
-3
-2
-1
-1
0
-1
-2
-3
-3
-3

Feels Like (°C)

-12
-12
-13
-13
-14
-14
-14
-15
-14
-15
-16
-14
-13
-12
-11
-9
-5
-5
-5
-5
-5
-5
-9
-8

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
87
88
87
88
88
90
88
80
74
66
66
65
66
68
71
74
78
84
87
89
91

Pressure (mb)

1025
1026
1026
1027
1028
1028
1029
1030
1030
1030
1030
1030
1030
1029
1028
1027
1026
1025
1025
1025
1024
1024
1023
1022

Ozone (du)

408
410
412
414
416
418
420
418
415
412
417
422
427
437
448
458
466
473
480
484
488
492
498
505

Tuesday 24

Waxing Crescent 52%

11:02

03:06

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: 07:05, Set: 19:33, Transit: 13:19. Moon - Rise: 11:02, Set: 03:06. Civil Dark: 20:03 - 06:35. Nautical Dark: 20:38 - 06:00. Astro Dark: 21:15 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
87
69
53
44
60
69
68
67
62
69
77
84

Low Clouds (% Sky Obscured)

49
73
98
94
92
90
92
92
91
76
60
42
31
19
8
10
11
13
20
27
37

Medium Clouds (% Sky Obscured)

97
93
85
78
73
65
45
30
16
9
9
10
10
10
9
13
16
11
17
28
31

High Clouds (% Sky Obscured)

30
60
90
80
80
75
70
65
70
32
0
0
0
0
0
0
1
2
20
34
53

ISS Passover

Visibility (miles)

0
0
0
0
1
1
2
3
3
4
6
8
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

Precipitation Type

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

Precipitation Probability (%)

44
42
42
53
57
56
54
55
55
54
41
14
13
9
2
4
3
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-18
-18
-17
-18
-18
-18
-11
-11
-9
-8
-9

Dew Point (°C)

-5
-5
-5
-5
-7
-10
-12
-14
-15
-16
-16
-15
-15
-15
-13
-12
-12
-11
-10
-10
-11

Relative Humidity (%)

92
94
94
96
92
87
83
80
79
76
72
68
64
63
63
63
63
63
64
70
76

Pressure (mb)

1021
1021
1020
1020
1021
1022
1023
1023
1024
1025
1025
1025
1025
1025
1024
1024
1023
1022
1022
1022
1022

Ozone (du)

511
512
514
515
515
515
515
505
495
486
476
467
457
450
443
436
431
427
423
415
407

Forecast for Algonquin Park, Canada (45.58,-78.51)

Generated: 18/03/26 23:02:08. Forecast: 18/03/26 to 24/03/26. Timezone: UTC-4.00