Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 30

Waxing Gibbous 100%

20:41

04:17

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

Sun - Rise: 05:18, Set: 20:42, Transit: 13:00. Moon - Rise: 20:41, Set: 04:17. Civil Dark: 21:19 - 04:41. Nautical Dark: 22:07 - 03:53. Astro Dark: 23:08 - 02:52

Total Clouds (% Sky Obscured)

75
75
68
68
44
6
8
10
9
11
43
47
46
74
75
72
73
83
56
35
82
75
38
73

Low Clouds (% Sky Obscured)

55
57
48
33
27
5
8
10
9
11
7
4
5
7
8
8
5
10
6
0
0
0
3
3

Medium Clouds (% Sky Obscured)

15
14
3
9
26
0
0
0
0
0
43
47
46
40
41
38
28
34
24
16
16
15
16
56

High Clouds (% Sky Obscured)

6
42
4
6
3
0
0
0
0
0
1
4
0
1
0
0
0
0
3
9
75
68
15
58

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 (%)

6
2
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

9
9
8
7
9
8
8
10
12
14
15
16
17
18
19
20
20
19
18
17
14
13
13
12

Feels Like (°C)

4
3
3
3
4
4
5
7
9
10
12
13
14
15
16
17
18
17
16
16
15
11
11
11

Dew Point (°C)

4
3
2
2
3
4
5
5
4
3
3
3
3
4
5
6
9
10
10
10
9
8
8
7

Relative Humidity (%)

69
68
67
66
65
78
78
69
58
48
42
40
37
38
38
40
47
55
60
65
70
72
71
73

Pressure (mb)

1012
1013
1014
1015
1016
1018
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019

Ozone (du)

422
419
417
417
417
418
419
417
417
420
417
413
406
402
400
398
399
398
393
389
384
378
377
376

Sunday 31

Full Moon 100%

21:41

04:53

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
23 OK
00 Good

Sun - Rise: 05:17, Set: 20:43, Transit: 13:00. Moon - Rise: 21:41, Set: 04:53. Civil Dark: 21:20 - 04:40. Nautical Dark: 22:08 - 03:52. Astro Dark: 23:10 - 02:50

Total Clouds (% Sky Obscured)

91
94
100
100
100
100
100
100
100
100
100
100
100
100
100
40
83
40
50
54
40
40
40
5

Low Clouds (% Sky Obscured)

1
8
3
1
1
1
1
3
5
14
13
14
7
32
9
15
53
10
10
15
0
1
0
1

Medium Clouds (% Sky Obscured)

35
79
100
100
100
100
100
100
100
100
100
100
100
100
100
40
66
25
25
35
40
40
40
5

High Clouds (% Sky Obscured)

84
71
89
95
100
100
100
100
100
100
100
100
100
100
73
40
45
0
0
0
0
40
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
4
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
2
6
15
16
28
41
51
62
60
48
19
3
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
70
70
70
75
73
74
71
68
64
63
62
60
60
63
86
86
87
90
92
92
95
95

Pressure (mb)

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

Ozone (du)

374
375
376
377
379
379
380
380
376
375
374
376
378
381
381
384
387
398
407
410
411
411
413
419

Monday 1

Waning Gibbous 99%

22:33

05:37

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

Sun - Rise: 05:17, Set: 20:44, Transit: 13:00. Moon - Rise: 22:33, Set: 05:37. Civil Dark: 21:21 - 04:40. Nautical Dark: 22:09 - 03:51. Astro Dark: 23:12 - 02:49

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
33
34
57
80
84
41
58
64
62
63
64
43
42
47
43
37

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
33
34
9
29
39
31
18
2
19
10
11
0
2
1
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
32
33
38
40
21
47
35
20
32
35
41
42
47
43
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
6
29
55
62
60
30
3
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
9
9
5
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
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
16
16
17
34
47
69
34
53
30
4
3
3
3
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
8
10
12
14
16
17
18
18
19
20
20
20
20
19
17
15
14
14
13

Feels Like (°C)

9
8
8
7
7
7
10
12
14
16
17
16
17
17
20
21
20
19
20
17
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
94
93
93
84
76
64
58
55
68
61
61
64
66
67
80
82
89
89
90
90

Pressure (mb)

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

Ozone (du)

420
417
417
419
418
413
411
413
412
404
401
402
407
409
412
414
413
412
410
407
406
405
404
404

Tuesday 2

Waning Gibbous 97%

23:17

06:30

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

Sun - Rise: 05:16, Set: 20:45, Transit: 13:00. Moon - Rise: 23:17, Set: 06:30. Civil Dark: 21:22 - 04:39. Nautical Dark: 22:10 - 03:50. Astro Dark: 23:13 - 02:48

Total Clouds (% Sky Obscured)

36
35
26
48
53
37
63
41
32
63
56
58
55
44
30
66
63
67
62
51
49
42
43
43

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

36
35
26
17
23
23
25
25
20
18
15
9
2
1
1
0
0
0
0
6
14
21
16
8

High Clouds (% Sky Obscured)

0
1
1
40
43
18
43
17
7
23
18
24
25
22
19
31
22
21
16
11
9
14
25
35

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 (%)

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)

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

Chance of Frost

Temperature (°C)

13
12
11
11
10
11
13
14
16
18
20
20
21
22
22
22
22
22
20
18
16
15
14
13

Feels Like (°C)

14
12
12
11
9
9
13
14
16
18
18
18
18
19
20
21
21
20
18
16
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

90
93
93
91
90
90
89
82
72
54
42
36
35
34
34
36
43
52
59
64
60
56
55
56

Pressure (mb)

1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023

Ozone (du)

402
398
396
392
389
385
379
374
371
368
365
361
359
358
357
356
355
354
354
354
353
352
351
350

Wednesday 3

Waning Gibbous 92%

23:51

07:31

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

Sun - Rise: 05:16, Set: 20:46, Transit: 13:01. Moon - Rise: 23:51, Set: 07:31. Civil Dark: 21:23 - 04:39. Nautical Dark: 22:11 - 03:50. Astro Dark: 23:15 - 02:46

Total Clouds (% Sky Obscured)

34
40
40
60
68
69
70
64
58
35
23
15
50
61
47
43
20
7
5
4
3
2
2
1

Low Clouds (% Sky Obscured)

1
0
0
8
10
10
10
10
10
7
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
3
6
10
69
48
34
12
8
5
5
34
52
47
43
20
7
2
1
1
0
0
0

High Clouds (% Sky Obscured)

30
36
34
31
28
22
19
23
7
5
4
5
9
4
5
1
3
7
5
4
3
2
2
1

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 (%)

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)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
12
12
14
15
17
20
21
22
22
25
26
27
26
25
23
21
20
18
17

Feels Like (°C)

10
10
9
9
9
10
10
13
15
17
20
22
23
21
24
25
25
26
26
27
22
22
21
20

Dew Point (°C)

4
5
5
4
3
4
6
8
9
9
10
10
10
11
14
15
16
17
18
19
18
16
15
14

Relative Humidity (%)

59
62
64
65
58
58
63
69
65
58
53
50
46
50
50
51
50
58
66
75
79
81
85
83

Pressure (mb)

1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

349
348
347
348
349
350
350
349
348
347
347
348
349
350
351
351
352
352
352
352
353
353
354
354

Thursday 4

Waning Gibbous 86%

00:19

08:37

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

Sun - Rise: 05:15, Set: 20:46, Transit: 13:01. Moon - Rise: 00:19, Set: 08:37. Civil Dark: 21:23 - 04:38. Nautical Dark: 22:13 - 03:49. Astro Dark: 23:17 - 02:45

Total Clouds (% Sky Obscured)

2
1
3
6
5
3
0
1
1
1
1
0
0
3
5
7
6
4
2
10
19
28
29
26

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
14
16
11
8

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
1
1
1
1
0
0
3
5
7
6
4
0
10
15
18
15
17

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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)

3
3
4
4
4
4
4
3
3
4
4
4
4
5
5
5
5
4
5
6
5
4
4
4

Chance of Frost

Temperature (°C)

16
15
15
15
15
16
17
18
20
22
24
25
27
28
28
29
29
28
26
25
23
21
19
19

Feels Like (°C)

19
19
16
15
15
15
15
14
20
21
22
23
25
25
32
32
31
32
32
32
26
25
25
24

Dew Point (°C)

13
12
11
11
11
12
12
13
13
13
14
14
15
14
15
16
17
18
19
20
19
17
16
15

Relative Humidity (%)

81
80
79
78
76
75
73
70
64
58
54
50
46
42
45
46
47
56
65
74
76
77
78
78

Pressure (mb)

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

Ozone (du)

354
354
354
354
354
355
356
357
358
359
360
358
356
353
353
352
352
352
353
353
350
347
344
340

Friday 5

Waning Gibbous 79%

00:42

09:45

Sun - Rise: 05:15, Set: 20:47, Transit: 13:01. Moon - Rise: 00:42, Set: 09:45. Civil Dark: 21:24 - 04:38. Nautical Dark: 22:14 - 03:48. Astro Dark: 23:18 - 02:44

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for ByWard Market, Ottawa, Canada (45.42,-75.69)

Generated: 30/05/26 01:49:34. Forecast: 30/05/26 to 05/06/26. Timezone: UTC-4.00